Arcos rhodospilus (Günther, 1864)
Rock clingfish
photo by Robertson, R.

Family:  Gobiesocidae (Clingfishes and singleslits), subfamily: Gobiesocinae
Max. size:  5 cm TL (male/unsexed)
Environment:  demersal; marine
Distribution:  Eastern Central Pacific: Costa Rica to Ecuador.
Diagnosis:  Body very small; possessing a thoracic adhesive disk formed by modification of the pectoral and pelvic fins; dorsal fin with 6 to 7 rays; anal fin with 5 to 7 rays; pectoral fins with 20 to 22 rays; maxillary with only incisiform teeth; body brown with blue and red reticulate bars and spots on the back and sides and scattered white spots that may form bars along the body (Ref. 55763).
Biology:  Inhabits shallow rocky areas. Feeds on zooplankton, algae, and small benthic invertebrates.
IUCN Red List Status: Least Concern (LC); Date assessed: 25 May 2007 Ref. (124695)
Threat to humans:  harmless
Country info:   
 

Entered by: Garilao, Cristina V. - 23.02.98
Modified by: Garilao, Cristina V. - 04.03.98

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