scholarly journals PERCOBAAN PENANDAAN LOBSTER PASIR (Panulirus homarus Linnaeus, 1758) DI TELUK PRIGI

2019 ◽  
Vol 24 (4) ◽  
pp. 273
Author(s):  
Danu Wijaya ◽  
Amula Nurfiarini
Keyword(s):  
Growth Rate ◽  
Spiny Lobster ◽  
Coastal Region ◽  
Mark Recapture ◽  
Random Movement ◽  
Spiny Lobsters

Percobaan penebaran lobster pasir (Panulirus homarus) di Perairan Teluk Prigi, Kabupaten Trenggalek dilakukan pada 2015. Percobaan dilakukan dengan cara memberi tanda (tag) pada seluruh sampel lobster pasir yang ditebar, dikenal sebagai metode Capture-mark-recapture (CMR) dan sudah banyak digunakan untuk mempelajari populasi biota di alam. Penelitian bertujuan untuk mengetahui tingkat tertangkap kembali, laju pertumbuhan, dan pergerakan lobster pasir bertanda di Teluk Prigi. Penebaran lobster pasir bertanda dilakukan pada tiga lokasi yaitu Damas, Karanggongso dan Karangasem dengan jumlah 2.784 ekor dan diberi tanda jenis T-bar berwarna merah yang memiliki kode. Pengamatan lobster pasir bertanda yang tertangkap kembali dilakukan sepanjang tahun 2016 di Teluk Prigi (Februari-Desember). Tingkat tertangkap kembali lobster bertanda dihitung menggunakan proporsi antara lobster bertanda yang tertangkap dengan lobster bertanda yang ditebar. Laju pertumbuhan lobster bertanda yang tertangkap kembali dihitung berdasarkan pertumbuhan per satuan waktu yang sama dengan perubahan panjang dibagi dengan perubahan umur. Pergerakan lobster bertanda diukur melalui jarak dari lokasi tebar sampai dengan lokasi lobster bertanda yang tertangkap kembali. Tingkat tertangkap kembali lobster pasir (P. homarus) bertanda di Teluk Prigi sebanyak 4,7 %. Laju pertumbuhan lobster pasir yang tertangkap kembali rata-rata 0,09±0,05 mm/hari. Pergerakan lobster pasir bertanda yang tertangkap kembali di Teluk Prigi berkisar antara 0,1-11,36 km. Pergerakan lobster pasir bertanda memiliki kecenderungan acak dan tetap pada wilayah pantai.In 2015, restocking experiment of Scalloped spiny lobster (Panulirus homarus) was conducted in Gulf of Prigi, Trenggalek Regency and the  lobsters were tagged. This methods is known as Capture-mark-recapture (CMR). CMR is widely used to study of biota populations in wild nature. The aims of this study are to determine the recapture rate, growth rate, and movement of tagged scalloped spiny lobster in Prigi Bay.The tagged spiny lobster release was realesed at three locations, namely Damas, Karanggongso and Karangasem with 2,784 lobsters and was tagged with a red T-bar type that has a code. Observations of tagged scalloped spiny lobsters were carried out again throughout 2016 in Prigi Bay (February-December). The recapture rate of tagged spiny lobster is calculated using the proportion between the tagged lobster with the tagged lobster released. The tagged tagged spiny lobster growth rate is calculated again based on growth per unit time which is equal to the change in length divided by the change in age. Tagged spiny lobster movements are measured by distance from the location of release to the location of the tagged tagged spiny lobster is capture again. The recapture rate of tagged spiny lobster (P. homarus) marked in Gulf of Prigi as much as 4.7%. The growth rate of tagged spiny lobster averaged 0.09 ± 0.05 mm/day. The movement of tagged spiny lobster in Gulf of Prigi ranges from 0.1 to 11.36 km. The movement of tagged spiny lobster has a random movement  and remains in the coastal region.

Responses of olfactory receptor cells of spiny lobsters to binary mixtures. II. Pattern mixture interactions

1991 ◽  
Vol 66 (1) ◽  
pp. 131-139 ◽  
Author(s):  
C. D. Derby ◽  
M. N. Girardot ◽  
P. C. Daniel
Keyword(s):  
Binary Mixtures ◽  
Olfactory Receptor ◽  
Neural Coding ◽  
Spiny Lobster ◽  
Neuronal Population ◽  
Olfactory Receptor Cells ◽  
Receptor Cells ◽  
Spiny Lobsters ◽  
Mixture Interactions

1. The effect of mixture interactions in individual olfactory receptor cells of the spiny lobster on neural coding of odorant quality of binary mixtures and their components is examined in this paper. Extracellular responses of 98 olfactory receptor cells in the antennules of spiny lobsters to seven compounds [adenosine-5'-monophosphate (AMP), betaine (Bet), L-cysteine (Cys), L-glutamate (Glu), ammonium chloride (NH4), DL-succinate (Suc), taurine (Tau)] and their binary mixtures were recorded, and mixture interactions in individual olfactory receptor cells were identified. 2. Coding of odorant quality was evaluated by examining across neuron patterns (ANPs)--the relative response magnitudes across neuronal populations. ANPs are a feature of the neuronal population response and are a possible concentration-independent code of odorant quality in this system, as indicated by previous studies and present results. 3. For most binary mixtures the diversity of types and degrees of mixture interactions across the individual cells of a population of cells resulted in ANPs for each mixture to be different from the ANPs for the components of the mixture and different from the ANP predicted for the mixture from the responses to the components (Figs. 2–10). These effects are called pattern mixture interactions (PMIs). PMIs occurred for most binary mixtures, even those that did not produce statistically significant intensity mixture interactions (IMIs) for this same population of cells. 4. The results suggest that PMIs can influence coding of stimulus quality, in some cases by causing an improvement of the contrast between the quality of mixtures and some of their components.

Patterns of shelter use and their effects on the relative survival of subadult California spiny lobster (Panulirus interruptus)

2016 ◽  
Vol 67 (8) ◽  
pp. 1153 ◽  
Author(s):  
Amalia M. Harrington ◽  
Kevin A. Hovel
Keyword(s):  
Predation Risk ◽  
Field Experiments ◽  
Spiny Lobster ◽  
Relative Survival ◽  
Panulirus Interruptus ◽  
Rocky Reefs ◽  
Comprehensive Examination ◽  
Spiny Lobsters ◽  
Shelter Selection ◽  
Natural Reefs

Spiny lobsters use refuge habitat and gregarious behaviour to reduce predation risk, particularly in their vulnerable juvenile and subadult stages. We characterised patterns of sheltering behaviour in the California spiny lobster (Panulirus interruptus (Randall)) on southern California rocky reefs and used manipulative experiments to examine how these behaviours affect the survival of subadult lobsters and shelter selection. Lobsters generally were gregarious and subadults were commonly found inhabiting shelters with adult lobsters. Tethering experiments with subadults indicated that communal denning increases the odds of survival only when adult lobsters are part of aggregations. This corresponded to results from a shelter choice experiment in the laboratory, where the presence of predators caused subadults to shelter more often with adult conspecifics rather than other subadults. Despite the gregarious nature of P. interruptus, solitary subadults were common at all sites. Although field experiments clearly indicated that solitary lobsters increased their odds of survival by inhabiting shelters scaled to body size, evidence that lobsters exhibit shelter scaling on natural reefs was mixed. Our results indicate that subadult P. interruptus exhibit similar behavioural strategies as other spiny lobsters to reduce predation risk, and they provide a more comprehensive examination of P. interruptus behaviour than previously available.

Fecundity dynamics of female spiny lobster (Panulirus argus) in a south Florida fishery and Dry Tortugas National Park lobster sanctuary

2001 ◽  
Vol 52 (8) ◽  
pp. 1559 ◽  
Author(s):  
Rodney D. Bertelsen ◽  
Thomas R. Matthews
Keyword(s):  
National Park ◽  
Egg Production ◽  
Size Structure ◽  
Spiny Lobster ◽  
South Florida ◽  
Reproductive Season ◽  
Panulirus Argus ◽  
Chronological Age ◽  
Dry Tortugas ◽  
Spiny Lobsters

Using diver surveys, we compared the size structure, fecundity, and reproductive season of spiny lobsters (Panulirus argus) in the Dry Tortugas National Park lobster sanctuary with those of spiny lobsters in the south Florida fishery. The number of lobsters of both sexes larger than the legal size limit declined sharply in the fishery but not in the sanctuary. Clutch sizes were larger in the Dry Tortugas sanctuary, averaging 0.8 million, than in the fishery, averaging 0.3 million. The reproductive season was shorter and more intense in the sanctuary than in the fishery. In addition, lobsters in the sanctuary begin producing eggs at a larger size and produce more eggs per gram of body mass than lobsters in the fishery. Peak egg production occurs earlier in larger lobsters than in small ones. Establishing a fundamental reason for the differences between lobster reproduction in the sanctuary and that in the fishery is not possible until the chronological age of lobsters can be determined, but one hypothesis consistent with these differences is that, if lobsters reproduce at a certain chronological age, then sublethal fishery practices may account for slower growth for some lobsters resulting in some smaller but older reproductively active lobsters.

Palinustus mossambicus Barnard, 1926 (Crustacea: Decapoda: Achelata: Palinuridae); morphology of the puerulus stage

Zootaxa ◽  
2008 ◽  
Vol 1857 (1) ◽  
pp. 44 ◽  
Author(s):  
FERRAN PALERO ◽  
GUILLERMO GUERAO ◽  
PAUL F. CLARK
Keyword(s):  
Indian Ocean ◽  
Spiny Lobster ◽  
Western Indian Ocean ◽  
Morphological Characters ◽  
Spiny Lobsters

Two adults of the rare buffalo blunthorn spiny lobster, Palinustus mossambicus Barnard, 1926 and a puerulus specimen were found while curating material from the first R/V “Dr. Fridtjof Nansen” expedition to the Western Indian Ocean. Furthermore, another puerulus-stage specimen of this spiny lobster species was found caught near Zanzibar, Tanzania. The morphological characters of the puerulus specimens indicated that they belonged to P. mossambicus, although the puerulus stage is somewhat dorsoventrally flattened, and has proportionally large pleopods. This constitutes the first puerulus description for the spiny lobsters of the genus Palinustus.

Movements of the Spiny Lobster Panulirus argus in South Florida

1986 ◽  
Vol 43 (11) ◽  
pp. 2228-2234 ◽  
Author(s):  
Douglas R. Gregory Jr. ◽  
Ronald F. Labisky
Keyword(s):  
Spiny Lobster ◽  
Patch Reef ◽  
Florida Keys ◽  
South Florida ◽  
Panulirus Argus ◽  
Commercial Fishing ◽  
Dispersal Patterns ◽  
Long Distance ◽  
Deep Reef ◽  
Spiny Lobsters

Long-distance movements of the spiny lobster Panulirus argus were studied in two Gulf of Mexico habitats (Shallows, Mid-depth) and three Atlantic Ocean habitats (Shallows, Patch Reef, and Deep Reef) in the lower Florida Keys during the mid-1970's. Of 6062 spiny lobsters tagged and released at the five sites between June 1975 and August 1976, 465 of the 771 (13%) lobsters recovered yielded usable movement data. Eighty percent of the tags were recovered within the first 3 mo of the 8 mo commercial fishing season (July 26 – March 31). Directions and rates of movements differed significantly (P < 0.05) among sites. Movements from Gulf sites were generally oriented to the west and southwest, toward the Atlantic offshore reefs, at mean displacement velocities of 0.57 km/d (Mid-depth) and 0.24 km/d (Shallows). Movements of lobsters from the Atlantic sites were principally eastward and westward, parallel to the reef line and island chain, at mean displacement velocities of 0.02 km/d (Deep Reef) and 0.05 km/d (Shallows, Patch Reef). The more directed movements of spiny lobsters from Gulf sites may reflect a migration from nursery grounds to the Atlantic reefs, which not only constitute the primary spawning habitat but also exhibit a more stable winter environment than the shallow Gulf. Movements of spiny lobsters within Atlantic waters reflect localized random onshore–offshore dispersal patterns typical within reef environments.

Latitudinal and seasonal effects on growth of the Australian eastern king prawn (Melicertus plebejus)

2012 ◽  
Vol 69 (9) ◽  
pp. 1525-1538 ◽  
Author(s):  
Luke R. Lloyd-Jones ◽  
You-Gan Wang ◽  
Anthony J. Courtney ◽  
Andrew J. Prosser ◽  
Steven S. Montgomery
Keyword(s):  
Growth Rate ◽  
Shape Parameter ◽  
New South ◽  
Seasonal Effects ◽  
Seasonal Effect ◽  
Model Framework ◽  
Mark Recapture ◽  
South Wales ◽  
Males And Females ◽  
Latitudinal Effect

The growth of the Australian eastern king prawn ( Melicertus plebejus ) is understood in greater detail by quantifying the latitudinal effect. The latitudinal effect is the change in the species’ growth rate during migration. Mark–recapture data (N = 1635, latitude 22.21°S–34.00°S) presents northerly movement of the eastern king prawn, with New South Wales prawns showing substantial average movement of 140 km (standard deviation: 176 km) north. A generalized von Bertalanffy growth model framework is used to incorporate the latitudinal effect together with the canonical seasonal effect. Applying this method to eastern king prawn mark–recapture data guarantees consistent estimates for the latitudinal and seasonal effects. For M. plebejus, it was found that growth rate peaks on 25 and 29 January for males and females, respectively; is at a minimum on 27 and 31 July, respectively; and that the shape parameter, k (per year), changes by –0.0236 and –0.0556 every 1 degree of latitude south increase for males and females, respectively.

scholarly journals The effect of probiotic and prebiotic-MOS on the survival, growth and immune competence on spiny lobster Panulirus homarus culture

2021 ◽  
Vol 919 (1) ◽  
pp. 012050
Author(s):  
Haryanti ◽  
Z Widiastuti ◽  
Fahrudin ◽  
S B M Sembiring ◽  
G N Permana ◽  
...  
Keyword(s):  
Immune Response ◽  
Body Weight ◽  
Health Status ◽  
Survival Rate ◽  
Target Genes ◽  
Spiny Lobster ◽  
Immune Competence ◽  
Initial Body Weight ◽  
Spiny Lobsters ◽  
Growth Differences

Abstract The use of probiotics and prebiotic to improve growth and health status of spiny lobster has been evaluated. The purpose of this study was to obtain the effect of probiotics and prebiotics for the culture of spiny lobster Panulirus homarus. The method was initiated with culturing of probiotics (4 strains) and supplemented it in a moist diets. Spiny lobster was collected from Jembrana-Bali waters with an initial body weight of 70.34 ± 4.5 g and cultured in concrete tanks with volume of 4 m3. Initial stock density for each treatment was 15 pcs / m3. The treatments tested were supplemented on moist diets with (A) probiotics, (B) probiotics and prebiotics-MOS (Mannan Oligo Sacharida) and (C) Controle (without probiotics and prebiotic) and each treatment with three replication. The results obtained that the survival rate of spiny lobster was not significantly different (P> 0.05), i.e. (A) 92.70%, (B) 93.33 (%) and (C) 93.33% respectively. However, the results of probiotics supplementation as well as a combination of probiotics and prebiotics showed growth differences compared to control (P<0.05), namely (A) 156.97 ± 6.17 g, (B) 153.75 ± 9.17 g, while (C) control 131.47 ± 7.91 g. The probiotics supplementation on moist diets could increased health status of spiny lobsters, this was expressed by target genes related to immunity (ALFHa-1, ALFHa-4, SAA, ProPO, Tgase and CP). Spiny lobster immunity increased by 2.60 to 42.7 times after challenging with MHD (Milky Haemolymph Disease). The supplementation of probiotics and prebiotics (MOS) could increase immune response by 2.10 to 25.75 times, respectively after challenging with MHD.

The sensory basis of feeding behaviour in the Caribbean spiny lobster, Panulirus argus

2001 ◽  
Vol 52 (8) ◽  
pp. 1339 ◽  
Author(s):  
Charles D. Derby ◽  
Pascal Steullet ◽  
Amy J. Horner ◽  
Holly S. Cate
Keyword(s):  
Feeding Behaviour ◽  
Spiny Lobster ◽  
Panulirus Argus ◽  
Natural Food ◽  
Response Patterns ◽  
Variable Environments ◽  
Spiny Lobsters ◽  
The Caribbean ◽  
Chemosensory Pathways ◽  
Chemosensory Systems

A complex nervous system enables spiny lobsters to have a rich behavioural repertoire. The present paper discusses the ways in which the sensory systems of the Caribbean spiny lobster, Panulirus argus, particularly its chemosensory systems, are involved in feeding behaviour. It addresses the neural mechanisms of three aspects of their food-finding ability: detection, identification, and discrimination of natural food odours; the effect of learning on responses to food odours; the mechanisms by which spiny lobsters orient to odours from a distance under natural flow conditions. It demonstrates that the olfactory organ of spiny lobsters might use acrossneuron response patterns in discriminating odour quality; that the hedonic value of food can be modified by experience, including associative and nonassociative conditioning; that spiny lobsters can readily orient to distant odour sources; and that both chemo- and mechanosensory antennular input are important in this behaviour. Either aesthetasc or nonaesthetasc chemosensory pathways can be used in identifying odour quality, mediating learned behaviours, and permitting orientation to the source of distant odours. Studying the neuroethology of feeding behaviour helps us understand how spiny lobsters are adapted to living in complex and variable environments.

Estimating growth of the Spiny Lobsters Panulirus cygnus, P.argus and P. ornatus

1992 ◽  
Vol 43 (5) ◽  
pp. 1177 ◽  
Author(s):  
BF Phillips ◽  
MJ Palmer ◽  
R Cruz ◽  
JT Trendall
Keyword(s):  
Growth Rates ◽  
Spiny Lobster ◽  
Field Studies ◽  
High Variability ◽  
Tropical Species ◽  
Random Coefficient Models ◽  
Spiny Lobsters ◽  
The Mean ◽  
Approximate Confidence Intervals ◽  
Panulirus Cygnus

Growth in three species of spiny lobster-Panulirus cygnus in Western Australia, P. argus in Cuba, and P. ornatus in Torres Strait, Australia-was modelled by using nonlinear random-coefficient models. Approximate confidence intervals about the mean growth curve for carapace length, to include 95% of the population at any age, have been estimated for these models. For both P. ornatus and P. cygnus, similar estimates of growth rate were obtained from both laboratory and field studies. Growth of the two tropical species, P. ornatus and P. argus, was much faster than that of the temperate species P. cygnus. All three species showed high variability in the growth rates of individuals. Microtagging of first-moult post-puerulus juveniles of P. cygnus with 1 mm long × 0.25 mm stainless-steel tags provides the first published field data on the growth of spiny lobsters from the beginning of the benthic period. These data suggest that tagging or handling can decrease the growth rates of spiny lobsters.

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