Results 51 to 60 of about 17,244 (204)

First report of albinism in the South American catfish Imparfinis mirini (Siluriformes: Heptapteridae)

open access: yesRevista Mexicana de Biodiversidad, 2017
Albinism is a genetic condition caused by an autosomal recessive gene that affects normal pigmentation in animals. In Neotropical freshwater fish fauna, albinism cases are extremely rare, with only 14 species recorded among more than 6,000 described ...
Pedro S. Manoel   +2 more
doaj   +1 more source

RFRP3 influences basal lamina degradation, cellular death, and progesterone secretion in cultured preantral ovarian follicles from the domestic cat. [PDF]

open access: yes, 2019
The hypothalamic neuropeptide RFRP3 can suppress hypothalamic GnRH neuron activation and inhibit gonadotropin release from the anterior pituitary. RFRP3 is also produced locally in the ovary and can inhibit steroidogenesis and follicle development in ...
Bentley, George   +2 more
core   +1 more source

IDENTIFIKASI JENIS - JENIS IKAN DI SUNGAI BATANG GADIS KECAMATAN MUARASIPONGI KABUPATEN MANDAILING NATAL SUMATERA UTARA

open access: yesBioLink, 2017
Research about "Identification the type of fish in Sungai Batang Gadis Muarasipongi subdistrict Mandailing Natal Sumatra Utara" The study aims to determine the types of fish and Chemical Physics parameters.
Anwar anwar   +2 more
doaj   +1 more source

Length-weight relationship and the diets of Clarias lazera (Cuvier and Valenciennes), family Clariidae (Osteichthyes: Siluriformes) in Zaria, Nigeria [PDF]

open access: yes, 1986
The length-weight relationship and the diets of Clarias lazera were investigated between July 1981 and June 1982. About 450 specimens were examined. The standard lengths of the fish ranged from 8.5 cm to 42.2 cm.
Olatunde, A.A.
core  

Prioritising research on endocrine disruption in the marine environment: a global perspective

open access: yesBiological Reviews, Volume 101, Issue 2, Page 848-868, April 2026.
ABSTRACT A healthy ocean is a crucial life support system that regulates the global climate, is a source of oxygen and supports major economic activities. A vast and understudied biodiversity from micro‐ to macro‐organisms is integral to ocean health.
Patricia I. S. Pinto   +23 more
wiley   +1 more source

Diet of Mediterranean moray, Muraena helena (Actinopterygii: Anguilliformes: Muraenidae), from the north-eastern Tunisian coast (central Mediterranean) [PDF]

open access: yesActa Ichthyologica et Piscatoria, 2014
Background. The feeding behaviour of Mediterranean moray, Muraena helena Linnaeus, 1758, from the coast of Tunisia (central Mediterranean) is poorly know and this study is a first step in determining prey consumption by M.
B. Sallami   +3 more
doaj   +3 more sources

Penguasaan Konsep Mahasiswa pada Mata Kuliah Zoologi Vertebrata melalui Team-based Learning dan Hubungannya dengan Keterampilan Berpikir Kritis [PDF]

open access: yes, 2017
This study aims to analyze the improvement of mastery of student concepts after the implementation of team-based learning strategy, as well as to analyze its relationship with critical thinking skills.
Hidayat, T. (Topik)   +2 more
core   +1 more source

Molecular cloning and characterization of interferon regulatory factor 1 (IRF-1), IRF-2 and IRF-5 in the chondrostean paddlefish Polyodon spathula and their phylogenetic importance in the Osteichthyes [PDF]

open access: yes, 2012
The interferon regulatory factor (IRF) with its 10 members is a very important gene family related to innate immunity. Currently, most fish IRFs reported are from bony fish (teleosts).
Chen Xinwen   +5 more
core   +1 more source

Trouble in the Tank: A Case Report of Fatal Scuticociliate Encephalitis in a Whitetip Reef Shark (Triaenodon obesus)

open access: yesJournal of Fish Diseases, Volume 49, Issue 3, March 2026.
Abstract This case report presents a recent case of scuticociliatosis in a whitetip reef shark (Triaenodon obesus), housed at a zoo (Haus des Meeres Aqua Terra Zoo, Vienna, Austria). Clinical signs such as uncoordinated swimming and body tilt were observed prior to death.
Hella Schwegler   +5 more
wiley   +1 more source

Diet composition of fish species from the southern continental shelf of Colombia [PDF]

open access: yes, 2002
The diet composition of 30 fish species belonging to 16 families from the Pacific Coast of Colombia is described. Benthic crustaceans (37.5%) and bony fishes (23.7%, chiefly demersal) were the most important food items for the fish species analyzed. Data
Arcila, C.A.T., Lopez-Peralta, R.H.
core  

Home - About - Disclaimer - Privacy