Teleostei (teleosts) >
Gobiiformes (Gobies) >
Trichonotidae (Sanddivers)
Etymology: Trichonotus: Greek, thrix = hair + Greek, noton = back (Ref. 45335).
More on author: Alcock.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 18 - 23 m (Ref. 93824). Tropical
Eastern Indian Ocean: Bay of Bengal.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 11.0 cm SL male/unsexed; (Ref. 93824)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 4; Dorsal soft rays (total): 45 - 46; Anal soft rays: 37 - 38; Vertebrae: 53. This species is distinguished from other congeners in having the following set of characters: elongated dorsal-fin spines in males absent; D IV,45-46; A 37-38; lateral-line scales 57-59; free dorsal pterygiophores 2; gill rakers 6+23; in males body markings 12; median predorsal-fin scales 10; interorbital width 43.7% of eye diameter; small abdominal scales (Ref. 93824).
Found on sandy bottoms (Ref. 93824).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Katayama, E., H. Motomura and H. Endo, 2012. A new species of Trichonotus (Perciformes: Trichonotidae) from Somalia and redescription of Trichonotus cyclograptus (Alcock, 1890) with designation of a lectotype. Zootaxa 3565:31-43. (Ref. 93824)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5020 [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): 3.4 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
