Results 21 to 30 of about 5,577 (169)
BMC Evolutionary Biology, 2008 Background Sperm morphology can be highly variable among species, but less is known about patterns of population differentiation within species. Most studies of sperm morphometric variation are done in species with internal fertilization, where sexual ...
Manier Mollie K, Palumbi Stephen R
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Hierarchical population genetic structure in a direct developing antarctic marine invertebrate. [PDF]
PLoS ONE, 2013 Understanding the relationship between life-history variation and population structure in marine invertebrates is not straightforward. This is particularly true of polar species due to the difficulty of obtaining samples and a paucity of genomic ...
Joseph I Hoffman +3 more
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Neotropical IchthyologyReproductive biology of the Brazilian menhaden, Brevoortia aurea (Clupeiformes), was studied in Mar Chiquita Coastal Lagoon. Its abundance was analysed in relation to environmental variables, and the main biological-reproductive parameters were estimated:
Nicolás Agustín Lajud +2 more
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Scientia Marina, 2014 The neon flying squid, Ommastrephes bartramii, is an oceanic squid species that is widely distributed in the North Pacific, with the winter-spring cohort spawning around the Hawaiian Islands.
Dharmamony Vijai +3 more
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Neotropical IchthyologyThe aim of the present study provides the first results on the reproductive biology of the anchovy, Anchoa marinii, in a nearby-coastal area of Mar Chiquita coastal lagoon, 37º32'00"S 57º19'00"W, Argentina.
Sofía López +3 more
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Maturation and spawning of marine finfish [PDF]
, 1984 Fish utilized for spawning experiments were taken near Port Aransas, Tex., from estuarine and gulf populations of each species. Red drum, Sciaenops ocellata, were taken by hook-and-line and beach seine.
Arnold, C. R. (Connie Ray)
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Reproductive biology of the striped goby, Gobius vittatus (Gobiidae) in the northern Adriatic Sea
Scientia Marina, 2007 The striped goby, Gobius vittatus Vinciguerra, 1883 is a Mediterranean gobiid species considered to be rare and lacking in data on its reproduction. Sex ratio, length and age at first maturity, annual cycle of gonad development, spawning period and ...
Marcelo Kovacic
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Biannual Spawning and Temporal Reproductive Isolation in Acropora Corals. [PDF]
PLoS ONE, 2016 Coral spawning on the oceanic reef systems of north-western Australia was recently discovered during autumn and spring, but the degree to which species and particularly colonies participated in one or both of these spawnings was unknown.
James P Gilmour +4 more
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Reproductive capacity of the red cusk-eel genypterus chilensis (Guichenot, 1848) in captivity [PDF]
, 2018 Indexación: Scopus.This work was supported by the FONDEF Project D06I 1024 “Development of technologies for the production of red cusk-eel fingerlings (Genypterus chilensis)”.Genypterus chilensis is a marine fish of high gastronomic demand, whose capture
Barnert, M. +7 more
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Temporal Dynamics of Reproduction in Hemiramphus brasiliensis (Osteichthyes: Hemiramphidae)
The Scientific World Journal, 2014 The reproductive aspects of Hemiramphus brasiliensis were analyzed with a view to verify the temporal dynamics of reproduction. This paper presents data on sex ratio, length at first sexual maturity, macroscopic and histological aspects of gonad ...
Mônica Rocha de Oliveira +1 more
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