Clevelandia ios (Jordan & Gilbert, 1882)
Arrow goby
Clevelandia ios
photo by Greg Goldsmith, U.S. Fish and Wildlife Service

Family:  Gobiidae (Gobies), subfamily: Gobionellinae
Max. size:  6.4 cm SL (male/unsexed); max. reported age: 3 years
Environment:  demersal; depth range 0 - 2 m
Distribution:  Eastern Pacific: Rivers Inlet, British Columbia, Canada to Baja California, Mexico.
Diagnosis:  Dorsal spines (total): 4-5; Dorsal soft rays (total): 15-17; Anal spines: 0-0; Anal soft rays: 14-17. Caudal rounded.
Biology:  Inhabits sand or mud bottom. Retreats into shrimp burrows when threatened and at low tide (Ref. 6885). Commonly in estuaries, lagoons and tidal sloughs. Reported to occur in freshwater. Adults feeds on diatoms, green algae, tintinnids, eggs and young of their hosts (Ref. 6885). Positions large food particles near crabs to be torn to smaller pieces (Ref. 6885). Preyed upon by Sebastes, staghorn sculpin, whitespot greenling, and terns (Ref. 6885). Unlike other gobies, it does not build a nest or care for its young (Ref. 2850).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (120744)
Threat to humans:  harmless
Country info:   

Entered by: Froese, Rainer - 01.05.91
Modified by: Valdestamon, Roxanne Rei - 07.05.15
Checked by: Garilao, Cristina V. - 02.09.96

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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