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Ophidiiformes (Cusk eels) >
Bythitidae (Livebearing brotulas)
Etymology: Saccogaster: Latin, sacculus = small bag + Greek, gaster = stomach (Ref. 45335).
Eponymy: Dr Jon C Staiger is a marine biologist and ecologist who is Senior Scientist at Coastal Engineering Consultants, Baton Rouge, Louisiana, where he designs and constructs barrier island restorations in the Mississippi Delta (2009–present). [...] (Ref. 128868), visit book page.
More on authors: Cohen & Nielsen.
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
marina djupbottenlevande; djupintervall 201 - 450 m (Ref. 93007). Deep-water
Western Central Atlantic: east coast of Florida, USA and the Gulf of Mexico; possibly Brazil.
Size / Vikt / Age
Könsmognad: Lm ? range ? - ? cm
Max length : 9.3 cm SL hane/ej könsbestämd; (Ref. 93007); 7.2 cm SL (female)
Mjukstrålar i ryggfenan (totalt) : 86 - 88; Mjukstrålar i analfenan: 53 - 57; Ryggkotor: 53 - 54. This species is distinguished from its congeners by the following set of characters: frontal plate have a pair of small, hidden, sub-dermal spines above and behind eyes; with a small, median, sub-dermal, ethmoidal spine in front of eyes; opercular spine hidden by skin, no preopercular spine; pectoral peduncle is prolonged; anterior gill arch with 3 developed rakers, 1.5-2 times length of gill filaments; palatines with 1tooth row, fang-like teeth on all dentigerous bones; vertebrae, precaudal 13-14 and total 53-54; fin rays, Dl 86-88, A 53-57 and pectoral 18-19; otolith length to height, 2.1, otolith length to colliculum length, 2.8 (Ref. 93007).
Body shape (shape guide): elongated; Cross section: oval.
Rare species (Ref. 34024).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
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)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Fiskeri: saknar intresse
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 9.6 - 15.3, mean 13.2 °C (based on 37 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00172 - 0.01163), b=3.10 (2.87 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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