Classification / Names Nomi Comuni | Sinonimi | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterigi (pesci con pinne raggiate) > Characiformes (Characins) > Characidae (Characins) > Tetragonopterinae
Etymology: Tetragonopterus: Greek, tetra = four + Greek, gonia = angle + Greek, pteron = wing, fin (Ref. 45335); denticulatus: The specific name denticulatus, from Latin, refers to the presence of small teeth on the dentary, a condition distinguishing the species from its congeners.

Ambiente / Clima / Range Ecologia

; acqua dolce benthopelagico. Tropical, preferred ?

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Point map | Introduzioni | Faunafri

South America: middle Rio Araguaia in Brazil.

Size / Peso / Age

Maturity: L_m ? range ? - ? cm
Max length : 6.2 cm SL maschio/sesso non determinato; (Ref. 93280)

Short description Morfologia | Morfometria

Raggi dorsali molli (totale): 11; Raggi anali molli: 33 - 37. Distinguished from other congeners except Tetragonopterus anostomus by having five principal teeth in the dentary (vs. four) as well as by having relatively smaller teeth of the dentary with pointed cusps (v. robust teeth with somewhat rounded cusps). Differs from T. anostomus by having terminal position of the mouth (vs. subsuperior). Can be diagnosed from T. anostomus and T. araguaiensis by having 13-14/8-9 gill rakers on the upper and lower limbs of the first gill arch (vs.17-20/10-12); from T. argenteus by having 8 predorsal scales (vs. 12-16); from T. carvalhoi by the presence of a rounded dark spot on the caudal peduncle (vs. a lozenge-shaped dark spot on the caudal peduncle); and from T. rarus by the lack of dark longitudinal stripes on the lateral surface of the body (vs. the presence of such stripes) (Ref. 93280).

Life cycle and mating behavior Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve

Main reference Upload your references | Bibliografia | Coordinatore | Collaboratori

Silva, G.S.C., B.F. Melo, C. Oliveira and R.C. Benine, 2013. Morphological and molecular evidence for two new species of Tetragonopterus (Characiformes: Characidae) from central Brazil. J. Fish Biol. (Ref. 93280)

IUCN Red List Status (Ref. 115185)

Not Evaluated

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO(Publication : search) | FisheriesWiki |

Informazioni ulteriori

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Fonti Internet

Tetragonopterus denticulatus Silva, Melo, Oliveira & Benine, 2013