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Trachichthyiformes (Roughies) >
Trachichthyidae (Slimeheads)
Etymology: Hoplostethus: Greek, hoplon = weapon + Greek, stetho, stethion = brest; literal = to prick a little breast (Ref. 45335); melanopeza: Name from Greek 'melano' for ‘black’ and 'peza‘ for 'edge’; referring to the characteristic black edge on all fins in large individuals of this species; noun in apposition..
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marinhas; intervalo de profundidade 250 - 400 m (Ref. 92805). Subtropical; 33°S - 37°S (Ref. 92805)
South Pacific: sub-tropical and temperate latitudes of the Tasman and South Fiji Basins; SE Australian slopes on the west to the outer Bay of Plenty and southern Kermadec Ridge at the north end of the North Island in New Zealand in the east.
Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 51.5 cm SL macho/indeterminado; (Ref. 92805)
Descrição suscinta
Morfologia | Morfometria
Espinhos dorsais (total): 6 - 7; Raios dorsais (total): 12-13; Espinhos anais 3; Raios anais : 3 - 10. This species is distinguished by the following characters: 15 pectoral-fin rays, rarely 13, 14 or 16; 18-21 total gill rakers on outer side of first arch; 9-12 abdominal scutes, some scutes in large individuals with multiple apical points; 16-22 predorsal scales; isthmus lacking scales; body scales adherent; lateral–line scales with strong medial ridge, but no spine in small and medium sized adults, with strong spine centrally on posterior margin in large adults; scales on predorsal midline forming low raised ridge; body ovoid and deep, depth 1.9-2.1 in SL; nape gently curved, forehead almost straight to above upper lip; dorsal- and anal-fin spines of moderate thickness; body of adults grey, superimposed with deep red in life, outer margin of all fins with narrow black edge in adults; buccal cavity and opercular recess black, vomer, margins of mouth roof lateral to palatines, underside of tongue and upper surface of lower jaw stark white (Ref. 92805).
Inhabits continental slopes, seamounts and submarine rises with collection depths recorded between about 140 and 760 m, but most often 250-400 m (Ref. 92805).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Roberts, C.D. and M.F. Gomon, 2012. A review of giant roughies of the genus Hoplostethus (Beryciformes, Trachichthyidae), with descriptions of two new Australasian species. Memoirs of Museum Victoria 69:341-354. (Ref. 92805)
Status na Lista Vermelha da UICN (Ref. 130435)
Ameaça para os humanos
Harmless
Uso pelos humanos
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Nomes comunsSinônimosMetabolismoPredadoresEcotoxicologiaReproduçãoMaturidadeDesovaAgregação de desovaFecundidadeOvosDesenvolvimento dos ovos
Idade/TamanhoCrescimentoPeso-comprimentoComprimento-comprimentoFrequências de comprimentoMorfometriaMorfologiaLarvasDinâmica larvalRecrutamentoAbundânciaBRUVS
ReferênciasAquaculturaPerfil para aquaculturaEstirpesGenéticaElectrophoresesHereditariedadeDoençasProcessamentoNutrientsConversão de massa
ColaboradoresFotosStamps, Coins Misc.SonsCiguateraVelocidadeTipo de nataçãoÁrea branquialOtólitosCérebrosVisão
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Estimates based on models
Preferred temperature (Ref.
123201): 4.3 - 9.7, mean 5.4 °C (based on 46 cells).
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01660 (0.00723 - 0.03808), b=3.05 (2.85 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.7 ±0.6 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): Muito baixo(a), tempo mínimo de duplicação da população maior que 14 anos (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (45 of 100).