Thryssa aestuaria (Ogilby, 1910)
Estuarine thryssa
Thryssa aestuaria
photo by FAO

Family:  Engraulidae (Anchovies), subfamily: Coiliinae
Max. size:  13.8 cm SL (male/unsexed)
Environment:  pelagic-neritic; brackish; marine; depth range 0 - 50 m
Distribution:  Western Pacific: Australia (northern coasts from Onslow east to Gulf of Carpentaria; and eastern coasts from Brisbane south to 30°S, but presumably to the north also) and Papua New Guinea.
Diagnosis:  Dorsal spines (total): 0-0; Anal spines: 0-0; Anal soft rays: 30-34. Belly with 14 to 16 + 8 or 9 = 22 to 25 keeled scutes from isthmus to anus. Maxilla short, reaching to hind border of pre-operculum; first supra-maxilla short, about half length of second. Pseudobranch very short. A diffuse saddle on nape; no dark blotch behind gill opening.
Biology:  Presumed marine, pelagic, coastal, but also estuarine, thus tolerating lowered salinities. More data needed.
IUCN Red List Status: Least Concern (LC); Date assessed: 17 July 2017 Ref. (123251)
Threat to humans:  harmless
Country info:   

Entered by: Binohlan, Crispina B. - 17.10.90
Modified by: Bailly, Nicolas - 15.07.13
Checked by: Binohlan, Crispina B. - 12.07.94

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 Not for publication.

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