Teleostei (teleosts) >
Ovalentaria/misc (Various families in series Ovalentaria) >
Opistognathidae (Jawfishes)
Etymology: Lonchopisthus: Greek, logche = lance + Greek, opisthe = behind (Ref. 45335); ancistrus: Name from Greek 'ankistron' for fish-hook, referring to the strongly hooked posterior end of the maxilla; noun in apposition..
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; pelagic-neritic; depth range 110 - 220 m (Ref. 116588). Deep-water
Western Central Atlantic: only from the Gulf of Mexico and off Honduras.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 8.9 cm SL male/unsexed; (Ref. 116588)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 10 - 11; Dorsal soft rays (total): 12 - 13; Anal spines: 3; Anal soft rays: 11 - 12; Vertebrae: 26 - 27. This species is distinguished by the following set of characters: posterior end of maxilla is strongly hooked; membranes connecting maxilla and premaxilla and covering inner posterior part of dentary pale; D X-XI,12-13; A III,11-12; branched caudal-fin rays 11-13 (exceptionally 5); cheek and opercle are naked; oblique body-scale rows in longitudinal series 33-39; has a very long pelvic fins, 39.4-75.3% SL; with L. lemur, differs from congeners in lacking an inner premaxillary dark stripe and having fewer numbers of segmented dorsal and anal-fin rays and associated unbranched rays (Ref. 116588).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
Smith-Vaniz, W.F. and S.J. Walsh, 2017. Revision of the jawfishes genus Lonchopisthus with description of a new Atlantic species (Teleostei: Opistognathidae). J. Ocean Sci. Found. 28:52-89. (Ref. 116588)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [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): 3.5 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).