Teleostei (teleosts) >
Blenniiformes (Blennies) >
Dactyloscopidae (Sand stargazers)
Etymology: Gillellus: Theodore Nicolas Gill (1837-1914) researcher of abyssal fishes and systematics (Ref. 45335).
More on author: Gilbert.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 5 - 140 m (Ref. 37955). Tropical
Eastern Central Pacific: Gulf of California to Colombia, including the Galapagos and other offshore islands.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.2 cm TL male/unsexed; (Ref. 11482)
Inhabits sandy bottoms (Ref. 11482). Feeds on small fishes and invertebrates (Ref. 11482). Minimum depth reported from Ref. 11482.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Allen, G.R. and D.R. Robertson, 1994. Fishes of the tropical eastern Pacific. University of Hawaii Press, Honolulu. 332 p. (Ref. 11482)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
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Internet sources
Estimates based on models
Preferred temperature (Ref.
123201): 17.2 - 28.9, mean 24.6 °C (based on 126 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5010 [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): 4.0 ±0.62 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).