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Trachichthyiformes (Roughies) >
Trachichthyidae (Slimeheads)
Etymology: Aulotrachichthys: Greek, aulos = flute + Greek, trachys, -eia, -ys = rough; nyx: Named after Nyx, the Greek goddess of night, referring to its overall darker appearance than its congeners; noun in apposition..
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marinhas batipelágico; intervalo de profundidade 195 - 200 m (Ref. 129295). Subtropical
Distribuição
Países | Áreas da FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri
Northwest Pacific: eastern Taiwan.
Tamanho / Peso / Idade
Maturity: Lm ? range ? - ? cm
Max length : 8.3 cm SL macho/indeterminado; (Ref. 129295)
Descrição suscinta
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 5; Raios dorsais (total) : 13; Espinhos anais: 3; Raios anais : 8; Vértebras: 27. This species is disinguished from its congeners by having the following set of characters: striated area extending posteriorly, slightly beyond middle point on the caudal peduncle, its length 66.7% caudal-peduncle length; D V,13; A III,8; gill rakers on first gill arch 6 + 1 + 14 = 21; abdominal scutes 9; lateral-scale rows 58; body height 34.1% SL; pelvic-fin-anal-fin length 30.3% SL; forehead height 2 4.1% SL; pectoral-fin length 18.1% SL; dorsal-fin-anal-fin length 42.6% SL; dorsal-fin length 35.3% SL; postdorsal length 29.6% SL; length between the end
of the anal-fin base to the end of the striated area (A-SA length), 12.4% SL. Colouration: body overall dark-brown, with chest, isthmus, and abdominal scutes uniformly black, and a distinct black vertical line along caudal-fin base (Ref, 129295),
Ciclo de vida ou comportamento de acasalamento
Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas
Su, Y., H.-C. Ho and H.-C. Lin, 2023. A new luminous roughy fish from northeastern Taiwan, with comments on congeners in Taiwan (Trachichthyidae: Aulotrachichthys). J. Vertebr. Biol. 72(23060):1-15. (Ref. 129295)
Status na Lista Vermelha da UICN (Ref. 130435)
Ameaça para os humanos
Harmless
Uso pelos humanos
Pescarias: sem interesse
Ferramentas
Relatórios especiais
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Fontes da internet
Estimates based on models
Índice de diversidade filogenética (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Nível Trófico (Ref.
69278): 4.1 ±0.6 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): médio(a), tempo mínimo de duplicação da população 1,4 - 4,4 anos (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
