Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Dactyloscopidae
Etymology: Dactyloscopus: Greek, daktylos = finger + Greek, skopein = to look (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 2 - 9 m (Ref. 28023). Tropical
Southeast Pacific: Endemic to the Galapagos Islands.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 3 - 3.6 cm
Max length : 5.0 cm SL male/unsexed; (Ref. 28023)
Known from tide pools and shallow coastal regions. Inhabits black volcanic sand and coarse, white coral sand, where it often occurs together with (Ref. 28023). Platygillellus rubellulus (Ref. 28023).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Grove, J.S. and R.J. Lavenberg, 1997. The fishes of the Galápagos Islands. Stanford University Press, Stanford, 863 p. (Ref. 28023)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 115941)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 23.5 - 24.6, mean 23.8 (based on 14 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245
Trophic Level (Ref. 69278
): 4.0 ±0.6 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .