Results 81 to 90 of about 1,642 (229)
The Unseen Crisis of Sharks and Rays in Senegal
Ecology and Evolution, Volume 16, Issue 4, April 2026.This study presents a conservative quantitative assessment of shark and ray landings and trade in Senegal, revealing extensive exploitation of threatened species. Surveys at two major artisanal processing sites in the Casamance region recorded over 170,000 individuals, mostly rays, with nearly all biomass comprising species at risk of extinction, and ...
Rima W. Jabado +3 more
wiley +1 more source
Journal of HelminthologyAcanthobothrium represents the most species-rich genus of onchoproteocephalidean cestodes, with adults parasitizing the spiral valves of elasmobranch fishes.
S. Omari, H. S. Randhawa, F. Tazerouti
semanticscholar +1 more source
, 1877 Published as part of W. Peters, 1877, Hr. W. Peters las ueber die von Hrn. Dr. C. Sachs in Venezuela gesammelten Fische., pp. 469-473 in Monatsberichte der Akademie der Wissenschaft zu Berlin 1877 on page 473, DOI: 10.5281/zenodo ...
openaire +2 more sources
Fisheries Management and Ecology, Volume 33, Issue 2, Page 355-367, April 2026.ABSTRACT Quantifying discard survival of species is crucial for effective fishery management. Electronic tags and visual health assessments were used to estimate postrelease survival of commercially caught thornback ray (Raja clavata), undulate ray (Raja undulata) and small‐eyed ray (Raja microocellata) from Northeast Atlantic inshore fisheries ...
Serena R. Wright +6 more
wiley +1 more source
Complete mitochondrial genome of the Korean skate: Hongeo koreana (Rajidae, Rajiformes) [PDF]
, 2013 The complete mitochondrial genome of the Korean skate (Hongeo koreana), the sole member of its genus is investigated for the first time in this study. The genome consists of 16,905 bp in length with 2 rRNA, 22 tRNA and 13 protein coding genes as shown in
김성, 정다금, 김충곤, 이윤호
core +2 more sources
Identification key of the skates from the continental shelf off Argentina and Uruguay (Chondrichthyes, Rajidae Family). [PDF]
, 2000 The paper has two parts. The first part comprises and illustrated identification key of the 22 species of the Rajidae Family that authors recognize in the study area.
Diaz de Astarloa, J.M. +2 more
core
, 2014 Published as part of Laan, Richard Van Der, Eschmeyer, William N. & Fricke, Ronald, 2014, Family-group names of Recent fishes, pp.
Laan, Richard Van Der +2 more
openaire +2 more sources
Comparative Morphology of Digestive Tract Among 11 Different Marine Fish Species
Aquaculture Research, Volume 2026, Issue 1, 2026.Limited information is available about the digestive tract morphology and function in some marine fish species. Using anatomical methods, this study compared the morphological characteristics of the digestive tract among 11 marine fish species of different taxonomic status, feeding habits and ecological niches.
Zhengwei Ye +7 more
wiley +1 more source
Revisão taxonômica da família Rajidae no Brasil (Chondrichthyes, Elasmobranchii, Rajiformes) [PDF]
, 2002 A taxonomic review of the rajid fishes occurring in Brazilian waters were held. The taxonomic arrangement as well as recent captures of deep water specimens included in this study, increased in 37% the number of Brazilian Rajidae. New taxons and also new
Gomes, Ulisses Leite
core
Blood protozoans in elasmobranchs of the family Rajidae from Galicia (NW Spain) [PDF]
Diseases of Aquatic Organisms, 2005 Blood smears from 132 skates Raja spp. captured on the continental shelf off Galicia (NW Spain) were examined for blood parasites. The skate species were Raja brachyura (n=60), R. microocellata (n=52) and a total of 20 specimens belonging to R. undulata, R. montagui and another 2 unidentified Raja species, all captured between March 1999 and March 2000.
W, Aragort +3 more
openaire +2 more sources