Actinopterygii (ray-finned fishes) >
Perciformes (Perch-likes) >
Gobiidae (Gobies) > Gobiinae
Etymology: Elacatinus: Greek, elakatines = fusiform fishes preserved in salt (Ref. 45335).
Environment / Climate / Range
Ecology
Marine; reef-associated, usually 1 - 30 m (Ref. 27115). Tropical; 23°C - 28°C (Ref. 27115); 27°N - 19°N
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.5 cm TL male/unsexed; (Ref. 7251)
Dorsal
spines
(total): 7 - 8;
Dorsal
soft rays
(total): 10-11;
Anal
spines: 1;
Anal
soft rays: 10 - 11. Whitish with two black stripes, one middorsal and the other lateral on head but passing to lower side on body, both ending in caudal fin; pale band separating two black stripes bright yellow on head, this band narrowing as it passes anteriorly, forming a V on top of snout with band of other side (Ref. 13442).
Western Central Atlantic: Bahamas and Grand Cayman Island.
Found on live coral. Removes ectoparasites from other fishes. Monogamous (Ref. 52884). Has been reared in captivity (Ref. 35408).
Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p.
IUCN Red List Status (Ref. 90363)
Threat to humans
Harmless
Human uses
Aquarium: commercial
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Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00880 (-0.15703 - 0.17463), b=3.06 (2.96 - 3.15), based on LWR estimates for this family-BS (Ref.
93245).
Trophic Level (Ref.
69278): 3.4 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref.
69278): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref.
59153): Low vulnerability (11 of 100) .