Results 31 to 40 of about 18,147 (299)
On the habitat and isolation of Gymnocharacinus bergi (Osteichthyes: Characidae) [PDF]
Environmental Biology of Fishes, 1995 Gymnocharacinus bergi is a rare Paranensean fish which is the only characiform almost lacking scales in the adult. It is endemic and the only species in a peculiar spot — a tributary of the Valcheta creek — in the Somuncura plateau in northern Patagonia, Argentina, over 300 km from the nearest place with a paranensean fish fauna.
Menni, Roberto Carlos, Gómez, Sergio E.
openaire +2 more sources
The elusive scleral cartilages: Comparative anatomy and development in teleosts and avians. [PDF]
Anat Rec (Hoboken)Abstract The sclera of all vertebrate eyes is comprised of connective tissue, with some organisms developing cartilage within this tissue. A review of the cartilages that have been described in the vertebrate sclera and their anatomical relationships is discussed together with their potential homology.
Franz-Odendaal TA.
europepmc +2 more sources
Caudal Spotting in the Beacon Fish (Hemigrammus ocellifer Characidae) [PDF]
Journal of Heredity, 2002 The beacon fish (Hemigrammus ocellifer) exhibits two phenotypes associated with spotting at the base of the caudal fin, with fish either possessing (H. o. ocellifer) or lacking (H. o. falsus) a prominent red spot in this region. Segregation patterns observed from the progenies of 15 different crosses support a hypothesis that caudal spotting in this ...
Jack S. Frankel
openalex +4 more sources
Influence of urbanization on size and biomass of a small-sized characid fish (Diapoma alburnum) in a subtropical river basin of southern Brazil [PDF]
Brazilian Journal of BiologyThe coastal lagoons of the Tramandaí River basin are dynamic ecosystems characterized by high biodiversity. They provide important ecosystem services, such as water supply for human consumption, industry, agriculture, animal husbandry, leisure activities,
Otávio Gutierrez e Silva +3 more
doaj +1 more source
Fish distribution in a small domestic water supply reservoir: a case study of Kangimi Reservoir, Kaduna, Nigeria [PDF]
, 2005 A study of the composition and distribution of fish populations in the inshore, surface and bottom water habitats of Kangimi Reservoir showed that the most abundant family was the Cichlidae followed in order of abundance by the familiesCyprinidae ...
Balogun, J.K.
core +2 more sources
Grasas y Aceites, 2006 Caribe (Serrasalmus rhoembeus) is a Characidae fish that lives in the basins of the Orinoco and Amazon rivers. It is an underutilized specie although in the last years has been marketed in the form of of a meal which is obtained through a handmade ...
Douglas R. Belén-Camacho +4 more
doaj +1 more source
Mutilating predation in the Cheirodontinae Odontostilbe pequira (Characiformes: Characidae) [PDF]
Neotropical Ichthyology, 2012 We observed individuals of Odontostilbe pequira, a small characid, approaching and biting individuals of larger-bodied fishes of other species. This observation was made in two clear water headwater streams of the Cuiabá basin, Paraguay River system, located in Nobres, Mato Grosso State, Brazil, which led us to investigate the behavioral interactions ...
Diones Krinski +4 more
openaire +8 more sources
BMC Evolutionary Biology, 2011 Background With nearly 1,100 species, the fish family Characidae represents more than half of the species of Characiformes, and is a key component of Neotropical freshwater ecosystems.
Vari Richard P +7 more
doaj +1 more source
, 2016 Characidae Creagrutus calai Vari & Harold, 2001: 85, figs. 32–33. Paratypes (Fig. 8). IAvH-P 10563 (2, 50.5–52.5 mm SL). Colombia, Meta, Puerto López, Orinoco River Basin, río Meta drainage, caño Emma, Finca El Viento, ca. 33.5 km NE Puerto López, 04°08’N 72°39’W; J. E. Böhlke & N. R. Foster, 18 Mar 1973. Remarks: received from M. Sabaj Pérez,
Donascimiento, Carlos +4 more
openaire +1 more source
, 2021 Family Characidae Latreille, 1825. Characins; Sardinas de Río. 8 G, 18 S.
openaire +2 more sources