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Ophidiiformes (Cusk eels) >
Bythitidae (Livebearing brotulas)
Etymology: Saccogaster: Latin, sacculus = small bag + Greek, gaster = stomach (Ref. 45335).
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino batidemersale; distribuzione batimetrica 440 - 850 m (Ref. 93007). Deep-water
Indo-Pacific: off East Africa to Hawaii.
Dimensione / Peso / Età
Maturità: Lm ? range ? - ? cm
Max length : 16.0 cm SL (female)
Raggi dorsali molli (totale) : 82 - 93; Raggi anali molli: 54 - 60; Vertebre: 55 - 58. This species is distinguished from its congeners by the following set of characters: body scaleless; frontal plate with a pair of small, sub-dermal spines just behind eyes, median sub-dermal ethmoidal spine in front of eyes; skin is rather thick; a large posterior mandibular pore behind end of maxilla; snout with a cartilaginous ethmoidal spine; opercular spine is hidden, no preopercular spine; anterior gill arch with 3 developed rakers, almost equal in length to developed rakers; pectoral peduncle is prolonged; no fangs on dentigerous bones, 3 to several tooth rows on palatines; vertebrae, precaudal 14-15, total 55-58; fin rays, D 82-93, A 54-60 and pectoral 19-22; otolith length to height, 2-2.1, otolith length to colliculum length variable, 2.5-3.3 (Ref. 93007).
Body shape (shape guide): elongated; Cross section: oval.
A benthic species (Ref. 58302) found on the continental slope (Ref. 75154). Rare species (Ref. 34024).
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Nielsen, J.G., W. Schwarzhans and D.M. Cohen, 2012. Revisions of Hastatobythites and Saccogaster (Teleostei, Bythitidae) with three new species and a new genus. Zootaxa 3579:1-36. (Ref. 93007)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Pesca: di nessun interesse
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Temperatura preferita (Fonte Biblio.
123201): 2.2 - 10.3, mean 7.9 °C (based on 312 cells).
Indice di diversità filogenetica (Fonte Biblio.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00192 - 0.01191), b=3.03 (2.81 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Livello trofico (Fonte Biblio.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Resilienza (Fonte Biblio.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Vulnerabilità della pesca (Ref.
59153): Low vulnerability (10 of 100).
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