Common names from other countries
Teleostei (teleosts) >
Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobiinae
Etymology: Callogobius: Greek, kalos, kallos = beautiful + Latin, gobius = gudgeon (Ref. 45335); crassus: Name from Latin 'crassus' meaning thick, fat or stout; referring to the stout body of this species..
More on authors: McKinney & Lachner.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 5 - 25 m (Ref. 90102). Tropical
Western Pacific: from the Philippines to the Society Islands (Tahiti); including Papua New Guinea and Indonesia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.5 cm TL male/unsexed; (Ref. 90102)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 6 - 7; Dorsal soft rays (total): 7 - 8; Anal spines: 1; Anal soft rays: 6 - 7. Characterized by mottled brown body color with dark brown bar on nape; three irregular dark brown bars below first and second dorsal fins; caudal fin base with dark bar; yellowish fins with alternating dark brown and pale bands or rows of dark brown spots; united pelvic fins at bases; absent frenum; rounded caudal fin; longitudinal scale series 19-21; cycloid scales on head and anterior body, ctenoid posteriorly on body; predorsal scales 9-11; head with prominent papillae ridges; absence of cephalic sensory pores; depth of body 3.7-4.4 SL (Ref. 90102).
Inhabits reef crevices in 5-25 m (Ref. 90102).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
McKinney, J.F. and E.A. Lachner, 1984. Callogobius crassus, a new fish from the Indo-Pacific region (Teleostei: Gobiidae). Proc. Biol. Soc. Wash. 97(3):627-631. (Ref. 123881)
IUCN Red List Status (Ref. 130435)
CITES (Ref. 128078)
Not Evaluated
Threat to humans
Harmless
Human uses
Tools
Special reports
Download XML
Internet sources
Estimates based on models
Preferred temperature (Ref.
115969): 28.1 - 29.2, mean 28.8 (based on 567 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00477 - 0.02194), b=3.02 (2.84 - 3.20), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).