Psammogobius knysnaensis Smith, 1935
Knysna sandgoby
photo by Coetzee, C.

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  7.5 cm TL (male/unsexed)
Environment:  demersal; brackish
Distribution:  Southeast Atlantic and Western Indian Ocean: South Africa.
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 9-10; Anal spines: 1-1; Anal soft rays: 9-11. Body grey to brown in color, with white and brown spots on back; thin white bars on side; 3-6 elongate dark brown spots on midside; males with black spot on rear of 1st dorsal fin (Ref. 2798).
Biology:  An estuary sand dweller occurring in tidal parts of rivers (Ref. 4343).
IUCN Red List Status: Least Concern (LC); Date assessed: 20 June 2017 Ref. (123251)
Threat to humans:  harmless
Country info:   

Entered by: Sa-a, Pascualita - 05.05.94
Modified by: Luna, Susan M. - 01.05.15
Checked by: Sa-a, Pascualita - 11.07.94

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 Not for publication.

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