Slow goby

The Slow goby (Aruma histrio) is a species of goby fish endemic to the Gulf of California on the west coast of North America. It inhabits crevices in rocks and can be found in tide pools down to a depth of around 14 metres (46 ft). This species grows to a maximum length of 6.5 centimetres (2.6 in) SL. This species is the only known member of its genus.[2]

Slow goby

Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Gobiiformes
Family: Gobiidae
Genus: Aruma
Ginsburg, 1933
Species:
A. histrio
Binomial name
Aruma histrio
(D. S. Jordan, 1884)
Synonyms
  • Gobiosoma histrio D. S. Jordan, 1884

Description

It is brown with 6-7 white bars along its side, with some bars weak or missing. There is a narrow white bar at the base of its pectoral fin, followed by a dark brown bar. It is elongated and somewhat compressed. Its large head is flattened with swollen cheeks and a large mouth. It has a pore between its eyes, and two small pores on its preopercle. Its tail fin is long and rounded without scales or a lateral line.[3]

Habitat

The slow goby inhabits rocky crevices in tide pools and under cobble in shallow water. The larvae are usually found around sargassum. It needs a temperature of 20.8-23.8 degrees Celsius (69.4-74.8 degrees Fahrenheit). Adults are benthic.[3][1]

References
  1. Findley, L. & Van Tassell, J. (2010). "Aruma histrio". The IUCN Red List of Threatened Species. 2010: e.T183345A8097387. doi:10.2305/IUCN.UK.2010-3.RLTS.T183345A8097387.en.
  2. Froese, Rainer and Pauly, Daniel, eds. (2013). "Aruma histrio" in FishBase. April 2013 version.
  3. "Slow Goby - Aruma histrio - Details - Encyclopedia of Life". Encyclopedia of Life. Retrieved 2018-02-23.


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