Teleostei (teleosts) >
Ovalentaria/misc (Various families in series Ovalentaria) >
Opistognathidae (Jawfishes)
Etymology: Opistognathus: Greek, opisthe = behind + Greek, gnathos = jaw (Ref. 45335); to the very elongate upper jaw of the type species of the genus, Opistognathus nigromarginatus (Ref. 128653); schrieri: Named for Adriaan (Dutch) Schrier, owner of Substation Curaçao in Willemstad and the 'Curasub' submersible.
Eponymy: Adriaan ‘Dutch’ Schrier is owner of the Substation Curaçao in Willemstad, whose Curasub submersible collected the types. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range ? - 152 m (Ref. 114925). Tropical
Caribbean: Curaçao.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 4.8 cm SL male/unsexed; (Ref. 114925)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 10; Dorsal soft rays (total): 13 - 14; Anal spines: 2; Anal soft rays: 13; Vertebrae: 28. This species is distinguished by the following characters: anterior nostril a simple tube without cirrus; maxilla truncate posteriorly with a slightly flexible lamina; large supramaxilla, triangular-shaped and terminally positioned; D X,13-14; A II,13; vertebrae 10+18; oblique scale rows in longitudinal series 47?50; coronoid (ascending) process of articular is hatchet-shaped with dorsal margin straight; a large ocellus on dorsal fin centered between spines 1-6, followed by four dark blotches with the posterior two larger and extending diagonally further onto the fin, all are separated by irregular narrow white stripes (Ref. 114925).
Body shape (shape guide): fusiform / normal; Cross section: oval.
Collected on a sand bed (Ref. 114925).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Smith-Vaniz, W.F., 2017. Descriptions of a new genus and two new species of Caribbean deep-water jawfishes (Teleostei: Opistognathidae). J. Ocean Sci. Found. 26:46-58. (Ref. 114925)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
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Internet sources
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=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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