Results 61 to 70 of about 83,522 (250)

Where Am I? Niche constraints due to morphological specialization in two Tanganyikan cichlid fish species

open access: yesEcology and Evolution, 2020
Food resource specialization within novel environments is considered a common axis of diversification in adaptive radiations. Feeding specializations are often coupled with striking morphological adaptations and exemplify the relation between morphology ...
Lukas Widmer   +3 more
doaj   +1 more source

Application of pop-up satellite archival tag technology to estimate postrelease survival of white marlin (Tetrapturus albidus) caught on circle and straight-shank (“J”) hooks in the western North Atlantic recreational fis [PDF]

open access: yes, 2005
Short-duration (5- or 10-day) deployments of pop-up satellite archival tags were used to estimate survival of white marlin (Tetrapturus albidus) released from the western North Atlantic recreational fishery.
Graves, John E., Horodysky, Andrij Z.
core   +1 more source

Comportamiento reproductivo del pez Opistognathus rosenblatti (Perciformes: Opistognathidae) en cautiverio Reproductive behavior of Opistognathus rosenblatti (Perciformes: Opistognathidae) in captivity

open access: yesRevista de Biología Tropical, 2012
El bocón manchas azules O. rosenblatti, es una especie endémica del Golfo de California con un elevado valor comercial, del cual existe poca información referente a su biología.
Mauricio Contreras   +3 more
doaj  

A Record of Fish Anomaly from the Sea of Marmara, Turkey: European Hake (Merluccius merluccius Linnaeus, 1758) Missing the Right Eye

open access: yesAquatic Sciences and Engineering, 2022
Abnormalities of shape, color or body deformities such as lack of swim bladders or any parts of the body are an unexplained issue for many fish species. There is a gap of knowledge regarding their causes.
Uğur Uzer, Firdes Saadet Karakulak
doaj   +1 more source

Description of Early Larvae of Four Northern California Species of Rockfishes (Scorpaenidae: Sebastes) from Rearing Studies [PDF]

open access: yes, 1993
About 72 species of Sebastes (Family Scorpaenidae) are found along the eastern Pacific coast of North America, some of which are heavily exploited by both commercial and sport fisheries.
Moreno, Guillermo
core  

Diversification of prey capture techniques among the piscivores in Lake Tana's (Ethiopia) Labeobarbus species flock (Cyprinidae) [PDF]

open access: yes, 2010
Lake Tana harbours the only known intact species flock of large cyprinid fishes (15 Labeobarbus spp.). One of the most curious aspects of this species flock is the large number (8) of piscivorous species.
Graaf, M., de   +3 more
core   +2 more sources

Catch-and-Release Ice Fishing with a Mormyshka for Roach (Rutilus rutilus) and European Perch (Perca fluviatilis)

open access: yesCroatian Journal of Fisheries, 2019
This study examined and described the basic parameters of the catch-and-release angling of roach Rutilus rutilus and European perch Perca fluviatilis with the mormyshka technique. Catch efficiency, the size of the fish caught, the time required to unhook
Czarkowski Tomasz K., Kapusta Andrzej
doaj   +1 more source

Skeletal Development and Deformities in Tench (Tinca tinca): From Basic knowledge to Regular Monitoring Procedure

open access: yesAnimals, 2021
Skeletal deformities reduce fish viability, growth, wellbeing, and feed efficiency but also degrade the consumer’s perception of aquaculture products.
Ignacio Fernández   +7 more
doaj   +1 more source

Maryland Turtles [PDF]

open access: yes, 1961
Since McCauley's 1945 publication, now out of print, on the "Turtles of Maryland," little has appeared on this interesting component of Maryland's vertebrate fauna.
Schwartz, Frank J.
core  

Extreme lower jaw elongation in a placoderm reflects high disparity and modularity in early vertebrate evolution

open access: yesRoyal Society Open Science
Jaws are a key vertebrate feature that arose early in our evolution. Placoderms are among the first jawed vertebrates; their fossils yield essential knowledge about the early diversification of gnathostome feeding strategies, diets and modularity ...
Melina Jobbins   +6 more
doaj   +1 more source

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