Limpet disturbance effects on barnacle recruitment are related to recruitment intensity but not recruit size

Intertidal limpets are important grazers along rocky coastlines worldwide that not only control algae but also influence invertebrates such as common barnacles. For instance, grazing limpets ingest settling barnacle cyprid larvae (hereafter cyprids) and push cyprids and barnacle recruits off the substrate. Such limpet disturbance effects (LDEs) can limit barnacle recruitment, a key demographic variable affecting barnacle population establishment and persistence. In this study, we examined limpet (Lottia cassis) disturbance to barnacle (Chthamalus dalli, Balanus glandula) recruitment on the Pacific coast of Hokkaido, Japan, as information on limpet-barnacle interactions from this region is missing. We investigated, for the first time, whether barnacle size and recruitment intensity influence LDEs on barnacle recruitment. Small barnacles may be less susceptible to LDEs than larger barnacles, because small size may reduce the propbability of limpet disturbance. Moreover, recruitment intensity can influence LDEs, as high recruitment can compensate for LDEs on barnacle recruitment density. In Hokkaido, C. dalli cyprids are smaller than B. glandula cyprids, and C. dalli recruitment is higher than B. glandula recruitment. Thus, we hypothesized that LDEs on C. dalli recruitment would be weaker than those on B. glandula recruitment. To test our hypothesis, we conducted a field experiment during which we manipulated limpet presence/absence on the interior surfaces of ring-shaped cages. After four weeks, we measured barnacle recruitment and recruit size on the interior surfaces of the cages and found negative LDEs on C. dalli and B. glandula recruitment and recruit size. As hypothesized, the LDEs on C. dalli recruitment were weaker than the LDEs on B. glandula recruitment. Additionally, C. dalli recruits were smaller than B. glandula recruits. However, the LDEs on C. dalli recruit size were as strong as the LDEs on B. glandula recruit size, indicating that the smaller C. dalli recruits are not less susceptible to LDEs than B. glandula recruits. Since C. dalli recruitment was higher than B. glandula recruitment, we propose that the higher C. dalli recruitment compensated for the LDEs on C. dalli recruitment. Our findings indicate that the detected differences in LDEs on barnacle recruitment are related to barnacle recruitment intensity but not recruit size.

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A revision of the genus Mycale (Poecilosclerida: Mycalidae) from the Mexican Pacific Ocean

Contributions to Zoology ◽

10.1163/18759866-07904003 ◽

2010 ◽

Vol 79 (4) ◽

pp. 165-191 ◽

Cited By ~ 7

Author(s):

José L. Carballo ◽

José A. Cruz-Barraza

Keyword(s):

Pacific Ocean ◽

Pacific Coast ◽

Type Material ◽

Mexican Pacific ◽

East Pacific ◽

The Pacific ◽

Taxonomic Studies ◽

Species Descriptions ◽

First Time

Knowledge about the sponge fauna from the Mexican Pacific Ocean has increased substantially in recent years, but most of these modern taxonomic studies have been focused on hadromerids. The aim of this study was to contribute to the knowledge of the order Poecilosclerida. At present, seven species of Mycale have been described or recorded from the Pacific coast of Mexico, but only three of them are considered valid: M. contax, M. cecilia and M. aff. magnirhaphidifera. After a revision of the material collected during the last eight years throughout the East Pacific coast of Mexico, along with the type material, and the literature available, eight species of Mycale are considered valid, three of them; M. magnitoxa sp. nov., M. dickinsoni sp. nov., and M. ramulosa sp. nov., are proposed as new to science. In addition, M. adhaerens is reported for the first time from the Mexican Pacific Ocean. Another Mycale-species that was identified was M. psila, which constitutes its seconLamberd record for the Mexican Pacific Ocean. The systematic, distribution and detailed species descriptions are based on newly collected material and previous descriptions from the literature.

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New Zealand exports: Pseudosphaeroma Chilton, 1909 (Isopoda: Sphaeromatidae), a Southern Hemisphere genus introduced to the Pacific coast of North America

Zootaxa ◽

10.11646/zootaxa.1908.1.4 ◽

2008 ◽

Vol 1908 (1) ◽

pp. 51-56 ◽

Cited By ~ 2

Author(s):

NIEL L. BRUCE ◽

REGINA WETZER

Keyword(s):

New Zealand ◽

North America ◽

Southern Hemisphere ◽

San Francisco ◽

Coastal Waters ◽

Pacific Coast ◽

First Record ◽

The Pacific ◽

First Time ◽

Coast Region

Collections made along the coast of California have revealed the presence of a species of Pseudosphaeroma Chilton, 1909, a genus common in New Zealand coastal waters. The genus is entirely Southern Hemisphere in distribution, and this record reports the introduction of a species of Pseudosphaeroma into the San Francisco and Central Coast region of California, the first reported occurrence of the genus as an invasive taxon, and the first record of the genus from the Northern Hemisphere. The genus is also recorded for the first time from the Galapagos and Argentina.

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Taxonomic remarks on the alpheid shrimp genus Triacanthoneus Anker, 2010, with description of a second eastern Pacific species (Malacostraca: Decapoda)

Zootaxa ◽

10.11646/zootaxa.4772.3.2 ◽

2020 ◽

Vol 4772 (3) ◽

pp. 450-468 ◽

Cited By ~ 1

Author(s):

ARTHUR ANKER

Keyword(s):

Pacific Coast ◽

Eastern Pacific ◽

Single Specimen ◽

Bocas Del Toro ◽

The Pacific ◽

Southern Gulf Of Mexico ◽

New Material ◽

First Time ◽

Pacific Species ◽

Alpheid Shrimp

The recently described alpheid genus Triacanthoneus Anker, 2010 is reassessed based on new material from the Pacific and Caribbean coasts of Panama, and the southern Gulf of Mexico. Salmoneus armatus Anker, 2010 is tentatively transferred to Triacanthoneus and the latter genus is redefined. A new eastern Pacific species of Triacanthoneus is described based on a single specimen collected by scuba diving off Coiba Island on the Pacific coast of Panama. Triacanthoneus blanca sp. nov. is closely related to its only eastern Pacific congener, T. pacificus Anker, 2010, which is reported for the first time from the Las Perlas Islands in the Gulf of Panama. Morphological variation in T. toro Anker, 2010 is discussed on the basis of new topotypical material from Bocas del Toro, Panama, and a single specimen tentatively reported as T. cf. toro from Sisal, Mexico. An identification key to the seven currently known species of Triacanthoneus, with updated distributional and ecological information, as well as high-resolution colour photographs of four species are also provided.

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First record of Litarachna caribica (Acari, Pontarachnidae) from the Pacific coast of Panama

Marine Biodiversity Records ◽

10.1017/s1755267215000688 ◽

2015 ◽

Vol 8 ◽

Author(s):

Vladimir Pešić ◽

Tapas Chatterjee ◽

Nikolaos V. Schizas

Keyword(s):

Pacific Coast ◽

First Record ◽

Central American ◽

Panama Canal ◽

Southern Caribbean ◽

The Pacific ◽

First Time

We documented the existence of a population of the southern Caribbean pontarachnid miteLitarachna caribicafor the first time on the Pacific coast of Panama. Based on morphological observations, this is the first record of a pontarachnid mite with a trans-isthmian distribution, which can be explained by either modern biological dispersal or historical vicariance hypotheses.Litarachna caribicahad either passed through the Panama Canal, successfully colonizing the opposite coast, or previously continuously distributed populations had become disjunct after the rise of the Central American land.

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Global elevational, latitudinal, and climatic limits for termites and the redescription of Rugitermes laticollis Snyder (Isoptera: Kalotermitidae) from the Andean Highlands

Sociobiology ◽

10.13102/sociobiology.v62i3.793 ◽

2015 ◽

Vol 62 (3) ◽

pp. 426 ◽

Cited By ~ 6

Author(s):

Rudolf H Scheffrahn

Keyword(s):

Pacific Coast ◽

Mean Annual Temperature ◽

Termite Species ◽

The Pacific ◽

Zootermopsis Angusticollis ◽

The Mean ◽

Andean Highlands ◽

Neotermes Chilensis ◽

First Time ◽

Recorded Temperature

We compile, map, and discuss global elevational, latitudinal, thermal, and rainfall extremes of termite localities from literature sources and unpublished records. Rugitermes laticollis from Ecuador and Bolivia occurs at higher elevation (2700-3600 m) than any other termite species. Termites span the globe from 54.3°N (Zootermopsis angusticollis in British Columbia (B.C.), Canada) to 48.9°S (Porotermes quadricollis in Magdalena, Chile). The coldest locality supporting termites (Reticulitermes sp.) is at Churn Creek, B.C., where the mean annual temperature is 4°C. Lake Havasu City, Arizona, where Heterotermes aureus and Gnathamitermes perplexus occur, has the highest recorded temperature maximum (52°C) for a termite locality. Cryptotermes brevis and Neotermes chilensis are endemic to the Pacific Coast of Peru and Chile where rain is essentially absent. We further provide locality extremes for six termite families from six zoogeographical regions. In addition, the winged imago of Ru. laticollis is redescribed and the soldier is described for the first time.

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First record and geographic range extension of the coccolithophore Scyphosphaera apsteinii Lohman, 1902 (Haptophyta: Pontosphaeraceae) from the Pacific coast of Mexico

Check List ◽

10.15560/11.5.1754 ◽

2015 ◽

Vol 11 (5) ◽

pp. 1754 ◽

Cited By ~ 1

Author(s):

Francisco O. López-Fuerte ◽

Ismael Gárate-Lizárraga ◽

David A. Siqueiros-Beltrones ◽

Ricardo Yabur

Keyword(s):

Gulf Of Mexico ◽

Type Species ◽

Pacific Coast ◽

First Record ◽

Geographic Range ◽

Central Pacific ◽

The West ◽

The Pacific ◽

The Caribbean ◽

First Time

The coccolithophorid Scyphosphaera apsteinii is here reported for the first time from waters off the west coast of the Baja California Peninsula. Scyphosphaera apsteinii is the type species of the genus Scyphosphaera and had hitherto been recorded only in the Atlantic and Indian Oceans, the Gulf of Mexico, the Mediterranean, and the Caribbean Seas. Specimens were found in samples collected in nets off Isla de Guadalupe in January 2013. This recording thus extends the geographical distribution of S. apsteinii from the Central Pacific (Hawaii) to the Eastern Pacific (NW Mexico).

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Redescription of Liopropoma aragai (Teleostei: Serranidae), with two new confirmed records of species of Liopropoma from Taiwan

Zootaxa ◽

10.11646/zootaxa.4702.1.11 ◽

2019 ◽

Vol 4702 (1) ◽

pp. 60-72

Author(s):

KEITA KOEDA ◽

HIROSHI SENOU ◽

CHIH-WEI CHANG ◽

HSUAN-CHING HO

Keyword(s):

Pacific Coast ◽

Ryukyu Archipelago ◽

Type Specimens ◽

Okinawa Island ◽

Diagnostic Characters ◽

The Pacific ◽

The Status ◽

Voucher Specimens ◽

Pacific Coast Of Japan ◽

First Time

Liopropoma aragai Randall & Taylor 1988 is redescribed based on the holotype and non-type specimens from Japan and Taiwan. Diagnostic characters of the species and the status of Taiwanese specimens previously referred to L. aragai are reassessed. Liopropoma lemniscatum Randall & Taylor 1988, previously recorded only from the Pacific coast of Japan and the Ryukyu Archipelago, and L. lunulatum (Guichenot 1863), previously known from Okinawa Island (Japan), Guam, Réunion, Rarotonga and Tahiti, are redescribed, both being confirmed for the first time by voucher specimens from Taiwanese waters. A detailed description of each species and a key to Taiwan Liopropoma Gill 1861 is provided.

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Eastern North Pacific Hurricane Season of 2003

Monthly Weather Review ◽

10.1175/mwr2917.1 ◽

2005 ◽

Vol 133 (5) ◽

pp. 1403-1414 ◽

Cited By ~ 3

Author(s):

John L. Beven ◽

Lixion A. Avila ◽

James L. Franklin ◽

Miles B. Lawrence ◽

Richard J. Pasch ◽

...

Keyword(s):

Tropical Cyclones ◽

North Pacific ◽

Pacific Coast ◽

Tropical Cyclone Activity ◽

Satellite Observations ◽

Tropical Storms ◽

Cyclone Activity ◽

The Pacific ◽

Hurricane Season ◽

First Time

Abstract The tropical cyclone activity for 2003 in the eastern North Pacific hurricane basin is summarized. Activity during 2003 was slightly below normal. Sixteen tropical storms developed, seven of which became hurricanes. However, there were no major hurricanes in the basin for the first time since 1977. The first hurricane did not form until 24 August, the latest observed first hurricane at least since reliable satellite observations began in 1966. Five tropical cyclones made landfall on the Pacific coast of Mexico, resulting in 14 deaths.

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Records of mud shrimps (Crustacea: Decapoda: Axiidea and Gebiidae) from Pacific Mexico

Journal of the Marine Biological Association of the United Kingdom ◽

10.1017/s0025315413001495 ◽

2013 ◽

Vol 94 (2) ◽

pp. 369-388 ◽

Cited By ~ 4

Author(s):

Manuel Ayón-Parente ◽

Michel E. Hendrickx ◽

Eduardo Ríos-Jara ◽

José Salgado-Barragán

Keyword(s):

Pacific Coast ◽

Eastern Pacific ◽

Western Atlantic ◽

Mexican Pacific ◽

The Pacific ◽

First Time

A total of 75 specimens belonging to four species of thalassinoids were collected in the intertidal and estuarine zones of two localities along the Pacific coast of Mexico.Callianassa tabogensisis recorded for the first time in Mexico, and is transferred to the genusNeotrypaea. Material ofCallichirusis assigned toCallichirus seilacheriwith some doubts due to taxonomic problems related to this genus in the eastern Pacific.Neocallichiruscf.grandimana, an amphi-American species described for the western Atlantic and previously reported in Ecuador and along the Pacific coast of Panama and Colombia, is reported for the first time in Mexico.Upogebia dawsoniis recorded for the second time from the coast of Jalisco. An updated list of Axiidea and Gebiidea known from the Mexican Pacific is provided, including 35 species.

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Notes on the Puna Avifauna of Azángaro Province, Department of Puno, Southern Peru

The Auk ◽

10.1093/auk/96.3.475 ◽

1979 ◽

Vol 96 (3) ◽

pp. 475-482 ◽

Cited By ~ 3

Author(s):

Nicholas A. Roe ◽

William E. Rees

Keyword(s):

Pacific Coast ◽

Winter Season ◽

Dry Season ◽

Summer Season ◽

Species List ◽

Southern Peru ◽

Altitudinal Migration ◽

The Pacific ◽

First Time

Abstract In June 1975, we made the first dry (winter) season observations of puna birds in the Province of Azángaro, Department of Puno, southern Peru, adding nine species to the avifaunal list for the area. We observed no trochilids although they are known to be numerous during the wet (summer) season. Nesting of the Golden-spotted Ground-Dove (Metriopelia aymara) is described for the first time from Peru, and we report the breeding on the puna of two puna species that have been recorded on the coast in the dry season. We discuss altitudinal migration to the Pacific coast during the dry season, and include a species list for this puna region.

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