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Overview |
Main identification features
- ~10 dark saddles, belly - stripe
- d: iii (low) + xvii-xx
- dorsal fin and c: spotted
Dorsal rays III + XVII-XX, 16-19; segmented anal rays 30-32 (usually 31); pectoral rays 12-14 (usually 13); total lateral- line scales 64-73; scales in straight (posterior) part of lateral line 9-13; lateral line deflected ventrally below dorsal fin elements 27-32; principal segmented caudal rays 10; isolated dorsal finlet on nape composed of 3 spines.
Overall whitish with ~10-11 blackish to brown mottled saddles and bars across back and on upper half of sides; dorsal + tail fins spotted.
Size: reaches 3.5 cm.
Habitat: sandy bottoms.
Depth: 1-15 m.
Mexico (Islas Tres Marias and Nayarit) to Panama.
Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Northern Tropical (Mexican Province to Nicaragua + Revillagigedos); Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo).
Depth Range Max: 15 m.
Depth Range Min: 1 m.
Diet: bony fishes; mobile benthic crustacea (shrimps/crabs); mobile benthic worms; mobile benthic gastropods/bivalves.
Eastern Pacific Range: Northern limit=22; Southern limit=8; Western limit=-107; Eastern limit=-78; Latitudinal range=14; Longitudinal range=29.
Egg Type: Benthic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Sand & gravel; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Soft bottom only.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 3.5 cm.
Regional Endemism: Continent; Continent only; TEP endemic; Continental TEP endemic; Mexican + Panamic provinces endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;
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Names |
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Links to other sites |
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References |
- Dawson, C.E., 1977., Studies on eastern Pacific sand stargazers (Pisces: Dactyloscopidae). 4. Gillellus, Sindoscopus new genus, and Heteristius with description of new species., Proc. Calif. Acad. Sci., 41(2):125-160.
- Findley, L.T., Hendrickx, M.E., Brusca, R.C., van der Heiden, A.M., Hastings, P.A., Torre, J., 2003., Diversidad de la Macrofauna Marina del Golfo de California, Mexico., CD-ROM versión 1.0. Projecto de la Macrofauna del Golfo . Derechos reservados de los autores y Conservación Internacional.
- Gilbert, C.H., 1892., Scientific results of explorations by the U. S. Fish Commission steamer "Albatross." 22. Descriptions of thirty-four new species of fishes collected in 1888 and 1889, principally among the Santa Barbara Islands and in the Gulf of California., Proc. U.S. Nat. Mus., 14:539-566.
- Lopez , M. I. and Bussing, W. A., 1982., Lista provisional de los peces marinos de la Costa Rica., Revista de Biologia Tropical, 30(1):5-26.
- Van der Heiden , A. M. and Findley, L. T., 1988., Lista de los peces marinos del sur de Sinaloa, México., Anales del Centro de Ciencias del Mar y Limnologia de la Universidad Autonoma Nacional de Mexico, 15:209-224.
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Acknowledgements |
I thank Ashley MacDonald and John Pickering, University of Georgia, for technical support in building this page.
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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Gillellus&speciesname=searcheri ---> http://52.67.158.155/Summary/speciesSummary.php?genusname=Gillellus&speciesname=searcheri http://52.67.158.155/Summary/speciesSummary.php?genusname=Gillellus&speciesname=searcheri ---> https://fishbase.net.br/Summary/speciesSummary.php?genusname=Gillellus&speciesname=searcheri https://fishbase.net.br/Summary/speciesSummary.php?genusname=Gillellus&speciesname=searcheri ---> https://fishbase.net.br/summary/Gillellus-searcheri.html
Gillellus searcheri, Searcher stargazer
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Gillellus searcheri
Picture by
Allen, G.R.
Teleostei (teleosts) >
Blenniiformes
(Blennies) >
Dactyloscopidae
(Sand stargazers)
Etymology:
Gillellus:
Theodore Nicolas Gill (1837-1914) researcher of abyssal fishes and systematics (Ref.
45335
)
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 1 - 15 m (Ref.
11482
). Tropical
Eastern Central Pacific: Islas Tres Marias and Nayarit, Mexico to Panama.
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 3.5 cm TL male/unsexed; (Ref.
11482
)
Found on sandy bottoms. Feeds on small fishes and invertebrates.
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
)
Least Concern (LC)
; Date assessed:
25 May 2007
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
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Estimates based on models
Preferred temperature (Ref.
123201
): 26.2 - 29.1, mean 28.2 °C (based on 125 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 ±0.60 se; based on food items.
Fishing Vulnerability (Ref.
59153
): Low vulnerability (10 of 100).
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Updated: 2024-04-24 06:55:45 gmt
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