Feeding Habits of Calosoma scrutator in Captivity (Coleoptera: Carabidae)

1966 ◽  
Vol 59 (4) ◽  
pp. 864-864
Author(s):  
Thomas Mccullough
Keyword(s):  
Feeding Habits ◽  
In Captivity

X.—On the Feeding Mechanism of a Mysid Crustacean, Hemimysis Lamornæ

1927 ◽  
Vol 55 (1) ◽  
pp. 219-253 ◽  
Author(s):  
H. Graham Cannon ◽  
S. M. Manton
Keyword(s):  
Digestive System ◽  
Feeding Habits ◽  
Great Length ◽  
Gastric Mill ◽  
General Biology ◽  
Feeding Mechanism ◽  
In Captivity ◽  
Fish Tanks

The general biology of the Mysids has recently been studied at great length by Blegvad (1922) at Copenhagen. His paper, containing a very complete literature list, deals with Mysis inermis, Rathke, Mysis flexuosa, Müller, and Mysis neglecta, Sars. His comments on feeding are limited, and refer chiefly to the nature of the food that the animals ate in captivity. Gelderd's work (1909) on the digestive system of the Schizopoda describes the course taken by the food through the gastric mill, the masticatory functions of this apparatus, and the method by which the masticated food and digestive juices are brought together, but does not deal with the manner in which the food reaches the stomach. An account, then, of the method by which a mysid collects its food would fill a gap in our knowledge of these forms. The only description, as far as we are aware, of the feeding habits of a mysid is that of Depdolla (1923), who worked on Praunus [Mysis] flexuosus, but his account is superficial and in our opinion very inaccurate. The following paper deals with the feeding habits of a small mysid, Hemimysis lamornœ, about 8 mm. long, which has established itself in the larger fish-tanks at the M.B.A. laboratory at Plymouth. It breeds freely all the year round, and can be obtained from the tanks in abundance, although it is stated to be only a rare visitor in the Plymouth district.

scholarly journals The Feeding Habits of the Galatheidea

1932 ◽  
Vol 18 (1) ◽  
pp. 87-106 ◽  
Author(s):  
Edith A. T. Nicol
Keyword(s):  
Feeding Habits ◽  
Gut Contents ◽  
Small Particles ◽  
The Third ◽  
In Captivity

The Galatheidea are divided into two families, the Galatheidæ and the Porcellanidæ, which differ from each other in their feeding habits as well as their structure.Galathea dispersa has been taken as typical of the Galatheidæ. An examination of the gut contents shows that the food in the stomach consists of finely divided particles mixed with sand and detritus. In addition larger pieces of animal and vegetable matter are occasionally found. Observations of the animals in captivity show that they feed by two methods; either large pieces of food are seized by the chelæ and maxillipeds and passed to the mandibles or, as is more usual, the third maxillipeds are used to collect finely divided material from the substratum.The setæ on the terminal segments of the maxillipeds form a dense tuft which sweeps over the substratum, loosening and collecting small particles. The terminal tufts are cleaned out by the setse of the second maxillipeds, and the food passed to the mouth.

scholarly journals Successful rehabilitation of Macronectes halli and Macronectes giganteus in southeastern Brazil

2018 ◽  
Vol 55 (2) ◽  
pp. e138436
Author(s):  
Natassia Bacco Mannina ◽  
Daniela Magalhães Drummond de Mello ◽  
Rebeca Pires Wanderley
Keyword(s):  
Laboratory Tests ◽  
Feeding Habits ◽  
Present Report ◽  
First Record ◽  
Southeastern Brazil ◽  
Rehabilitation Center ◽  
Southern Coast ◽  
In Captivity ◽  
Proper Diagnosis ◽  
Successful Rehabilitation

This report describes the successful rehabilitation of two species of pelagic seabirds (Macronectes halli and Macronectes giganteus) rescued on the southern coast of the state of São Paulo, Brazil, and taken to the IPeC rehabilitation center (S25°023258 W-47°928737). Data on the enclosures, diet, clinical management and laboratory tests were detailed during the 75 d of treatment, during which the birds remained at the center. This report demonstrates that a combination of environmental and nutritional management with a proper diagnosis and adequate clinical treatment naturally lead to a shorter period in captivity, which is crucial to the successful rehabilitation of these birds. The enclosures should have visual isolation and animals kept separate from other birds. The form of offering food differs based on the feeding habits and taxon. At the time of release back into the wild, the site chosen should be isolated to enable the bird to feel more secure when taking flight. The present report describes the first record of the rehabilitation and release of these two species in Brazil.

scholarly journals Horse Tooth Enamel Ultrastructure: A Review of Evolutionary, Morphological, and Dentistry Approaches

2021 ◽  
Vol 69 (2) ◽  
pp. 67-79
Author(s):  
Vitalii Demeshkant ◽  
Przemysław Cwynar ◽  
Kateryna Slivinska
Keyword(s):  
Experimental Research ◽  
Tooth Enamel ◽  
Morphological Changes ◽  
Feeding Habits ◽  
The Past ◽  
Research Perspectives ◽  
Stage Of Development ◽  
In Captivity ◽  
Breeding Practices

This review searches for and analyzes existing knowledge on horse tooth anatomy in terms of evolutionary and morphological changes, feeding habits, breeding practices, and welfare. More than 150 articles from relevant databases were analyzed, taking into account the issues of our experimental research on the ultrastructure of Equidae tooth enamel. After our analysis, the knowledge on this subject accumulated up in the past, almost 50 years has been logically arranged into three basic directions: evolutionary-palaeontological, morpho-functional, and dentistic, which is also demonstrated by the latest trends in the study of enamel morphology and in the practice of equine dentistry. The obtained data show that in recent years we have observed a rapid increase in publications and a thematic expansion of the scope of research. It is caused by the need to deepen knowledge in theory and in the practice of feeding species in nature and in captivity as well as the possibility of using new technical resources to improve the excellence of such research. It is a summary of the knowledge of a certain stage of equine tooth enamel studies for this period of time, which serves as the basis for our experimental research (the materials are prepared for publication) and at the same time, defines research perspectives for the next stage of development.

A STUDY OF THE BLUE GROUSE (DENDRAGAPUS OBSCURUS (SAY)) ON VANCOUVER ISLAND, BRITISH COLUMBIA

1960 ◽  
Vol 38 (4) ◽  
pp. 701-713 ◽  
Author(s):  
C. David Fowle
Keyword(s):  
British Columbia ◽  
Feeding Habits ◽  
Free Water ◽  
Breeding Cycle ◽  
Adult Males ◽  
Seasonal Movements ◽  
Second Growth ◽  
Dendragapus Obscurus ◽  
In Captivity ◽  
Main Item

A study was made of the summer habitat, seasonal movements, fluctuations in populations, population density, breeding cycle, and summer feeding habits of Dendragapus obscurus fuliginosus (Ridgway). During the summer the grouse were found mainly in the early stages of the developing second-growth forests following fire or logging. The birds descended to the lowlands in late March and early April. Most of the adult males returned to the uplands by the end of July, The females and broods left the lowlands by the end of September. There is evidence of several well-marked fluctuations in the numbers of blue grouse in British Columbia since 1904. A density of about.2 adults per acre was recorded in late June and early July. Nesting took place in May and the first young appeared early in June. After the first of July it was not uncommon to see two females with their intermingled broods feeding together. The summer foods of both adults and young were almost entirely vegetable. Grit was the main item in gizzards from birds collected before the middle of July but later it was largely replaced by hard seeds. The grouse were not observed to drink free water except in captivity. There is a rough parallelism between frequency of occurrence of the main items of food in the environment and the proportion of each occurring in the diet.

scholarly journals Feeding habits and the influence of pellet diameter on the feeding responses of the flathead grey mullet (Mugil cephalus) in captivity

2021 ◽  
Author(s):  
Sandra Ramos-Júdez ◽  
Neil J Duncan
Keyword(s):  
Water Column ◽  
Feeding Habits ◽  
Random Sequence ◽  
Mugil Cephalus ◽  
Optimal Size ◽  
Grey Mullet ◽  
Pellet Size ◽  
Pellet Diameter ◽  
In Captivity ◽  
Optimal Feed

The feeding habits and effect of the diameter of pelleted feeds on the feeding responses of wild juvenile and adult flathead grey mullet (Mugil cephalus) in captivity were examined. Optimal pellet size for feeding was defined according to the behavioural responses and ingestion of pellets with different diameters (2, 4, 6, 8 mm) that were dropped into the tank in a random sequence. Larger pellets (6 and 8 mm) were more attractive (lower reaction time, high percentage of capture), but the small to medium-sized pellets (2 and 4 mm) were consumed the most. The optimal size was the 2- and 4-mm pellet diameter for juvenile individuals (365.50 ± 36.90 g; 28.8 ± 0.84 cm) and the 4-mm diameter pellet for adults (937.49 ± 146.54 g; 40 ± 1.12 cm). The preferred feeding area of adult mullet was also studied to estimate preference in relation to pellet characteristics such as floating or sink. Two pellet types, floating or sinking, were offered simultaneously in the water column: at the surface, mid-water column and bottom of the tank. The flathead grey mullet had a preference to feed in the mid-water column and the bottom of the tanks indicating that sinking or slow-sinking pellets would be the optimal feed type in relation to mullet feeding behaviour.

scholarly journals Notes on the natural history of the Stump-tailed Porcupine, Coendou rufescens (Rodentia, Erethizontidae), in Colombia

2020 ◽  
Vol 15 (4) ◽  
pp. 471-478
Author(s):  
Héctor E. Ramírez-Chaves ◽  
Cristina Romero-Ríos ◽  
Jose Jaime Henao-Osorio ◽  
Juan Pablo Franco-Herrera ◽  
Bernardo Ramiro Ramírez-Padilla
Keyword(s):  
Natural History ◽  
Citizen Science ◽  
Feeding Habits ◽  
Wide Distribution ◽  
Diurnal Activity ◽  
Andean Region ◽  
In Captivity ◽  
In The Wild ◽  
Feeding Activities ◽  
History Of

Porcupines of the genus Coendou are among the least studied mammals in the Neotropics. The Stump-tailed Porcupine, Coendou rufescens, is distributed in the Andean region from Colombia and south to Bolivia. Despite its wide distribution, nothing is known about its natural history, besides observation of banana consumption in captivity. Here we present new observations on the feeding habits, diurnal activity, and the use of the tail for support during feeding obtained by means of collaborative (citizen) science. We also comment on its locomotion on land and in trees. We observed five diurnal events of C. rufescens feeding on infructescences of trumpet tree (Cecropia angustifolia Trécul). During the feeding activities, the Stump-tailed Porcupine used the tail for stability and support. These are the first observations of such behavior in the wild for this species and suggest a more diurnal activity for this species which belongs to a group of rodents traditionally considered to be predominantly nocturnal.

scholarly journals Some biological aspects of the central Indian endemic scorpion Hottentotta jabalpurensis Kovařík, 2007 (Scorpiones: Buthidae)

2021 ◽  
Vol 13 (2) ◽  
pp. 17712-17721
Author(s):  
Pragya Pandey ◽  
Pratyush P. Mohapatra ◽  
D.B. Bastawade
Keyword(s):  
Endemic Species ◽  
Maternal Care ◽  
Kin Recognition ◽  
Feeding Habits ◽  
Central India ◽  
In Captivity ◽  
Biological Aspects ◽  
First Time ◽  
Made In

The present study reports the distribution and bionomics of Hottentotta jabalpurensis Kovarik, 2007, a central India endemic species.  Information on courtship, maternal care, feeding habits, and kin recognition has been provided based on observations made in captivity.  Morphological and morphometric details of the pre-insemination spermatophore of the species have been detailed for the first time for the species. 

Status, Distribution, and Conservation of Native Freshwater Fishes of Western North America

2007 ◽  
Keyword(s):  
Feeding Habits ◽  
Current Status ◽  
Cooperative Program ◽  
Habitat Recovery ◽  
June Sucker ◽  
In Captivity ◽  
The Status ◽  
Captive Propagation ◽  
Mature Fish ◽  
Utah Lake

ABSTRACT The June sucker Chasmistes liorus is endemic to Utah Lake, Utah. Abundant when first described in the 19th century, the species declined precipitously in the 20th century, leading to it being listed as endangered in 1986. The wild population size at time of listing was estimated to be less than 1,000 and may be even smaller at present. A multi-partner cooperative program was formally established in 2002 with the dual goals of recovering the June sucker and allowing continued operation of water facilities for human use. One recovery action of the program has been collection and artificial propagation of June sucker, yielding more than 46,000 June sucker of varying ages currently being held outside of Utah Lake. Mature fish held in captivity are beginning to contribute to recovery as they and their offspring are released into the lake. Dwindling numbers of wild fish combined with the increasing proportions of stocked fish returning to spawn in the Provo River indicates barriers to recruitment that are being addressed by other program recovery actions. While actions being taken to address environmental threats to June sucker, especially controlling nonnative fishes and habitat alteration, must continue if artificially and naturally produced June sucker are to survive in Utah Lake, the ability of this species to thrive and reproduce in habitats outside of Utah Lake will likely be important to its persistence. Habitat recovery and conservation efforts will be critical for maintaining a diverse environment where both June sucker and Utah sucker Catostomus ardens can survive. Environmental influences in Utah Lake appear to have been important for the evolution of sucker feeding habits and the observed morphologies of the two species. June sucker have been kept from going extinct, but should remain listed as endangered. The goal of this paper is to present information regarding the current status of June sucker and the status of actions to recover this endangered species, currently dominated by the captive propagation efforts.

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