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Anguilliformes (Eels and morays) >
Ophichthidae (Snake eels) > Myrophinae
Etymology: Pylorobranchus: From the Greek pylorus (gatekeeper) and branchos (gill), neuter, in reference to the lappet-like structure located before the gill opening; hearstorum: Named for William and Margaret Hearst.
Eponymy: William Randolph Hearst III (d: 1949) and his wife Margaret Hearst are friends of the author, John McCosker (q. [...] (Ref. 128868), visit book page.
Meio ambiente: milieu / Zona climática / intervalo de profundidade / faixa de distribuição
Ecologia
marinhas bentopelágico; intervalo de profundidade 892 - 966 m (Ref. 95665). Deep-water
Western Central Pacific: Philippines.
Tamanho / Peso / Idade
Maturidade: Lm ? range ? - ? cm
Max length : 121.8 cm TL (female)
Descrição suscinta
Chaves de identificação | Morfologia | Morfometria
This elongate myrophine is distinguished by the following characteristics: tail 66% of TL; dorsal fin arise in the posterior trunk region; dorsal fin is slightly elevated, while anal fin is very elevated; developed, wedge-shaped pectoral fin, about four times eye diameter; moderate eye, 17 in HL; rear margin of orbit is above posterior third of upper jaw; small cephalic pores, SO 1 x 3, IO 5 x 2, POM 7 x 3 (2 right), and ST 3 present; needle-shaped teeth, not enlarged, slightly retrorse, uniserial on jaws and vomer; body color brownish black, median fins grayish black, with anal-fin membrane black posteriorly; vertebral formula 39/66/226 (Ref. 95665).
Body shape (shape guide): eel-like; Cross section: compressed.
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
McCosker, J.E., 2014. A gigantic deepwater worm eel (Anguilliformes: Ophichthidae) from the Verde Island Passage, Philippine Archipelago. pp. 333-340. In Williams, G.C. and T.M. Gosliner (eds.) 2014. The Coral Triangle: the 2011 Hearst Philippine biodiversity expedition. California: San Francisco, California Academy of Sciences, 593 p. (Ref. 95665)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2025-2 (Global))
Ameaça para os humanos
Harmless
Uso pelos humanos
Ferramentas
Relatórios especiais
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Fontes da internet
Estimativas baseadas em modelos
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00076 (0.00029 - 0.00201), b=3.06 (2.83 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 4.5 ±0.8 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.).
Vulnerabilidade da pesca (Ref.
59153): High to very high vulnerability (73 of 100).
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