Classificação / Names
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Siluriformes (Catfishes) >
Schilbeidae (Schilbid catfishes)
Etymology: Eutropiichthys: Greek, eutropheia = well fed + Greek, ichthys = fish (Ref. 45335); cetosus: Derived from Latin adjective cetus, meaning a large sea animal (commonly referred to as whale), in allusion to the numerous gill rakers of this species, which are reminiscent of baleen in baleen whales..
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce demersal; intervalo de profundidade 1 - 4 m (Ref. 96851). Tropical
Asia: Kaladan River drainage in southern Mizoram, India.
Tamanho / Peso / Idade
Maturity: Lm ? range ? - ? cm
Max length : 12.8 cm SL macho/indeterminado; (Ref. 96851)
Descrição breve
Morfologia | Morfometria
Espinhos dorsais (total): 2; Raios dorsais moles (total): 7; Raios anais moles: 48 - 54; Vértebras: 49 - 52. Eutropiichthys cetosus is distinguished from all congeners, with the exception of E. burmannicus by the possession of more rakers 25-35 (vs. 15-20) on the first gill arch. It can be diagnosed from E. burmannicus by having moderately rounded snout in lateral view (vs. distinctly pointed in E. burmannicus) and slightly trilobed in dorsal view (vs. acutely angular in E. burmannicus), a deeper head relative to its length (68.7-77.1% HL vs. 65.4-67.5% HL), fewer branched rays on pectoral fin (13-15 vs. 15-17, rarely 15), and a more slender body (depth at dorsal-fin origin 19.2-23.5% SL vs. 23.7-25.3% SL; depth at anal-fin origin 17.5-23.5% SL vs. 23.2-26.3% SL). It further differs from congeners by the following unique combination of characters: 49-52 total vertebrae, fleshy narial flap not extending medially much past medial margin of naris, mouth rictus reaching vertical through middle of orbit, rough anterior edge of pectoral spine, 43-49 branched anal-fin rays, and caudal peduncle depth 7.8-8.6 % SL (Ref. 96851).
Found in a clear, slow and moderate flowing river with a depth of 1-4 m (Ref. 96851).
Life cycle and mating behavior
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Ng, H.H., Lalramliana, S. Lalronunga and Lalnuntluanga, 2014. Eutropiichthys cetosus, a new riverine catfish (Teleostei: Schilbeidae) from Northeastern India. J. Threat. Taxa 6(8):6073-6081. (Ref. 96851)
Categoria na Lista Vermelha da IUCN (Ref. 130435)
Ameaça para o homem
Harmless
Utilização humana
Mais informação
Nomes comunsSinónimosMetabolismoPredadoresEcotoxicologiaReproduçãoMaturidadeDesovaAgregação para desovaFecundidadeOvosDesenvolvimento dos ovos
Idade/TamanhoCrescimentoComprimento-pesoComprimento-comprimentoFrequência de comprimentoMorfometriaMorfologiaLarvasDinâmica larvarRecrutamentoAbundânciaBRUVS
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Fontes da internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00263 - 0.01321), b=3.02 (2.83 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): Elevada, tempo mínimo de duplicação da população menor que 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
