Aphia minuta (Risso, 1810)
Transparent goby
Bychok Braunera
Aphia minuta
photo by Svensen, E.

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  7.9 cm TL (male/unsexed); max. reported age: 1 years
Environment:  pelagic-neritic; brackish; marine; depth range 0 - 97 m, oceanodromous
Distribution:  Atlantic Ocean: Trondheim to Morocco. Also known from the Mediterranean including Black Sea and the Azov Sea (Ref. 57814).
Diagnosis:  Dorsal spines (total): 4-6; Dorsal soft rays (total): 11-13; Anal spines: 1-1; Anal soft rays: 11-15. Transparent body, more or less reddish, with chromatophores along bases of median fins and on head. Vertebrae 26-28 (Ref. 232). Males with longer dorsal and anal fins than females (Ref. 35388).
Biology:  Benthic and free swimming (Ref. 92840). A neotenic, pelagic species inhabiting inshore and estuarine waters, over sand, mud and eel-grass (Ref. 4343). Adults feed on zooplankton, especially copepods, cirripede larvae and mysids (Ref. 4343). They spawn in summer in empty bivalve shells (Ref. 35388). Probably migrate to deeper water to spawn during summer (Ref. 57814). Adults die after breeding (Ref. 4696) which does not qualify as a manifestation of semelparity but abbreviate iteroparity according to a recent study (Ref. 81039). Eggs are pear-shaped (Ref. 4696).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless
Country info:  Reported from the seaside waters of the Danube Delta; Sasyk Estuary before its separation from the sea by a dam and desalination by waters from the Danube; along the seashore in the north-western part of the Black Sea to Odesa; in Karkinit Bay in the area of Zernov’s Phyllophora Field Botanical Sanctuary, in Yahorlyk and Tendra Bays, near the Tarkhankut Peninsula; near Zmiinyi Island; in coastal waters of north-western Crimea and Karadag; in the Kerch Strait; and in the southern part of the Sea of Azov (Ref. 128152). Also Ref. 897.


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