Psammogobius pisinnus

Psammogobius pisinnus, the sandslope goby, is a species of goby in the family Gobiidae from Australia and New Guinea.

Psammogobius pisinnus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Gobiiformes
Family: Gobiidae
Genus: Psammogobius
Species:
P. pisinnus
Binomial name
Psammogobius pisinnus

Description

Psammogobius pisinnus is a tiny pale species of goby, with a background colour of grey to whitish and marked with three broad brown blotches on its upper sides, the first blotch is the darkest and is located underneath first dorsal fin, the cheek and gill covers are mottled dark brown, and there a whitish stripe on the middle pectoral fin rays.[1] The specific name refers to the very small size of the adults, they attain a total length of 2 centimetres (0.79 in).[2]

Psammogobius pisinnus Flynn Reef, Great Barrier Reef, Australia

Distribution

Psammogobius psinnus is found around New Britain in Papua New Guinea with a single record[2] from the northern Great Barrier Reef at Flynn Reef, Queensland.[1]

Habitat and biology

This species occurs on gentle reef slopes where there are patches of live coral mixed with sand-rubble at depths of about 10–20 metres (33–66 ft).[1] It is a fully marine species, unlike its congeners. This goby was recorded either solitarily or in loose pairs. When approached individuals fully erected their first dorsal fin which was waved gently.[2]

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References
  1. Bray, D.J. (2017). "Psammogobius pisinnus". Fishes of Australia. Museums Victoria. Retrieved 29 August 2018.
  2. Gerald R. Allen (2017). "Psammogobius pisinnus, a new species of reef goby (Teleostei: Gobiidae) from Papua New Guinea and Australia". Journal of the Ocean Science Foundation. 26: 80–85.
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