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Description of a new species of Hisonotus (Loricariidae: Siluriformes) from rio Araguaia basin
(Magnolia Press, 2020-10-14)
A new species of Hisonotus is described from headwaters of rio Araguaia basin, municipality of Barra do Garcas, Mato Grosso state, Brazil. The new species is distinguished from its congeners by a V-shaped spinelet, yellowish ...
Cyphocharax boiadeiro, a new species from the upper rio Araguaia, Amazon basin, Brazil (Characiformes: Curimatidae)
(Magnolia Press, 2017-03-27)
Cyphocharax boiadeiro, new species, is described from the upper rio Araguaia, a tributary of the Amazon basin in central Brazil. The new species is readily distinguished from its congeners by the presence of a distinct ...
A New Cyphocharax from the Lower Rio Tapajos, Amazon Basin, Brazil (Characiformes: Curimatidae)
(Amer Soc Ichthyologists & Herpetologists, 2018-07-01)
A new species of Cyphocharax (Characiformes: Curimatidae) is described from the lower Rio Tapajos basin, including its tributary, the Rio Arapiuns, Para, Brazil. The new species is diagnosed from congeners by a combination ...
Revisión de las especies chilenas de sebastes (osteichthes, scorpaeniformes, scorpaenidae)
(Universidad de Chile., 1980)
Se estudian los caracteres meristico-morfometricos y morfología ósea de las poblaciones de Sebastes, en las costas de Chile.
Amphisbaena trachura Cope, 1885 (Amphisbaenia: Amphisbaenidae) : new record for the northeast of Argentina
(Pensoft, 2016)
We present a new record of Amphisbaena trachura (Squamata: Amphisbaenidae) for the northeast of Corrientes province, Argentina. Seven specimens (five females and two males) were identified using morphological and meristic ...
The genus Basilichthys (Teleostei: Atherinopsidae) revisited along its Chilean distribution range (21° to 40° S) using variation in morphology and mtDNA
(Sociedad de Biología de Chile, 2012)
There is still doubt as to the number of species of the freshwater Chilean ichthyofauna, 64 % of which have conservation problems. One of the groups is that of the silversides of the genus Basilichthys. Three morphological ...
Concordance of morphological variation and chromosomal races in Liolaemus monticola (Tropiduridae) separated by riverine barriers in the Andes
(1992)
Intra‐ and interpopulation morphological variation in 14 meristic characters was assessed in twelve previously karyotyped population samples of Liolaemus monticola monticola, representing two chromosomal races: the Southern ...
Determinación de las principales características que permiten la identificación de las larvas de Opisthonema spp. en la costa del Pacífico de Baja California Sur
(Instituto Politécnico Nacional (IPN), Centro Interdisciplinario de Ciencias Marinas, 1985-12-01)
This study is an outcome from a project related to the evaluation of spawning biomass for sardines and anchovies, in the Pa cific coast of Baja California Sur, Mexico as a joint program — between the Secretaría de Pesca ...
Taxonomic comments and an identification key to species for the Smooth-hound sharks genus Mustelus Link, 1790 (Chondrichthyes: Triakidae) from the Western South Atlantic
(2011-07-11)
Five species of smooth-hound sharks genus Mustelus (Family Triakidae) are know in the western South Atlantic, as follows: Mustelus canis (Mitchell 1815); Mustelus fasciatus (Garman 1913); Mustelus higmani Springer & Lowe ...
Descripción de la larva y juvenil del mojarrón calamus brachysomus (Lockington) (pisces: sparidae)
(Instituto Politécnico Nacional (IPN), Centro Interdisciplinario de Ciencias Marinas, 1989-12-01)
This paper describes the larval and juvenile stages of the Pacific porgy Calamus brachysomus from 2.6 mm SL reared in the laboratory from eggs collected with a plankton net in Bahia Magdalena and Bahia de La Paz, Baja ...