Results 101 to 110 of about 4,950 (170)

New species of miniature fish from Marajó Island, Pará, Brazil, with comments on its relationships (Characiformes: Characidae)

Neotropical Ichthyology
A new miniature species of the family Characidae from Marajó Island, Pará State, Brazil is described and assigned to the genus Tyttobrycon. The new species can be distinguished from its congeners primarily by having multicuspid teeth on jaws, and ...
Manoela M. F. Marinho, Douglas A. Bastos, Naércio A. Menezes   +2 more
doaj   +1 more source

Signaling for color change in melanophores [Elektronisk resurs] : and a biosensor application

, 2001
Melanophores are dark brown pigment cells located in the skin of fish, amphibia, reptiles, and many invertebrates. The color of the animal can change via rearrangement of pigment granules, melanosomes, in the cells.
Wallin, Margareta,, Svensson, Samuel,, Karlsson, Annika M.,   +2 more
core  

On the nervous and hormonal control of melanophores and their differential reactions in the catfish Ictalurus melas (Raffinesque)

, 1971
The melanophores in the catfish I. melas are arranged in 3 layers, one epidermal and two dermal. The former are the smallest, and also differ from those in the dermis in their shape and in their reaction-times in response to background change ...
Khokhar, Raschid
core  

Three new species of Hemibrycon (Characiformes: Characidae) from the Magdalena River Basin, Colombia

Revista de Biología Tropical, 2013
Fish biodiversity of aquatic ecosystems is highly threatened by different economic activities driven by human populations, and its description is increasingly a priority.
César Román-Valencia, Raquel I. Ruiz-C., Donald C. Taphorn, Néstor J. Mancera-Rodriguez, Carlos A. García-Alzate   +4 more
doaj  

Adenylate Cyclase 5 (Adcy5) Deficiency Impairs Pigment Granule Dispersion in Melanophores and Erythrophores in Nile Tilapia. [PDF]

Cells
Sun J, Li P, Yao J, He Y, Liu H, Ju S, Shi H, Liu X, Wang D.   +8 more
europepmc   +1 more source

Temporal patterns of thyroid gland maturation and skin metamorphosis in terrestrial indirect-developing de Villiers moss frogs (Arthroleptella villiersi Hewitt, 1935). [PDF]

Front Zool
Naumann B, Schweiger S, Müller H.
europepmc   +1 more source

Frogs have layers: a comparative histological study of colour polymorphism in <i>Oophaga</i> poison frogs. [PDF]

PeerJ
Mantzana Oikonomaki V, Wiborg MJ, Tamayo-Castillo G, Ibáñez R, Rodríguez A, Pröhl H.   +5 more
europepmc   +1 more source

Conserved and lineage-specific mechanisms drive chromatophore differentiation in reptiles. [PDF]

Nat Commun
Helleboid PY, Tzika AC.
europepmc   +1 more source

(The) influences of sympathomimetic amines on melanophores of the frog skin

, 1970
의학과/석사[한글] THE INFLUENCES OF SYMPATHOMIMETIC AMINES ON MELANOPHORES OF THE FROG SKIN Chung Koo Cho Department of Medical Science, The Graduate school, Yonsei University (Directed by Prof. Tae Ha Woo) The chromatic
조정구
core  

Unveiling a small new glassfrog of the genus <i>Vitreorana</i> (Anura, Centrolenidae) from Cerrado, central Brazil. [PDF]

Zookeys
Vaz-Silva W, Pereira de Andrade S, Filho Rocha C, Victor EP, Brandão RA, Maciel NM.   +5 more
europepmc   +1 more source