Teleostei (teleosts) >
Ophidiiformes (Cusk eels) >
Dinematichthyidae (Viviparous brotula)
Etymology: Diancistrus: Greek, di = two + Greek, agkistron = hook (Ref. 45335); springeri: Named for Victor Springer, Washington, USA..
More on authors: Schwarzhans, Møller & Nielsen.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; reef-associated; depth range 8 - 20 m (Ref. 90102). Tropical; 12°N - 8°S, 121°E - 122°E
Western Pacific: Indonesia to the Philippines.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.2 cm SL male/unsexed; (Ref. 57884); 4.8 cm SL (female)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 78 - 84; Anal soft rays: 67 - 71; Vertebrae: 44 - 45. The species is characterized by the following: vertebrae 11+33-34=44-45, dorsal fin rays 78-84, anal fin rays 62-71; large eyes (2.9-3.8% SL); outer pseudoclasper short, only slightly longer than inner pseudoclasper, stick-shaped, slightly anteriorly inclined; inner pseudoclasper joined to outer pseudoclasper by a thin ligament, thin, spiny, strongly forwardly inclined, anteriorly connected by thin ligament to isthmus between pseudoclaspers; broad scale patch on cheek with 5-6 scale rows on upper cheek, large scale patch on operculum above opercular spine with 7-8 scales in 2-3 rows; head slender; otolith length to height ratio about 1.9 (Ref. 57884).
Solitary inhabitant of coral reef crevices between about 8-20 m, cryptic (Ref 90102).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
Schwarzhans, W., P.R. Møller and J.G. Nielsen, 2005. Review of the Dinematichthyini (Teleostei, Bythitidae) of the Indo-West-Pacific. Part I. Diancistrus and two new genera with 26 new species. The Beagle, Records of the Museum and Art Galleries of the Northern Territory 21:73-163. (Ref. 57884)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).