Brachiopsilus dossenus Last & Gledhill, 2009
Humpback Handfish
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Family:  Brachionichthyidae (Handfishes)
Max. size:  6.5 cm SL (male/unsexed)
Environment:  demersal; marine; depth range 20 - 226 m
Distribution:  Eastern Indian Ocean: Australia.
Diagnosis:  Dorsal soft rays (total): 19; Anal soft rays: 10. Member of the genus Brachiopsilus with a combination of the following characters: esca small, 23–30% of illicium length; illicium smooth, thin, not exceedingly fleshy, length 13–16% SL, 3.1–3.6 times in head length, 2.1–2.3 times in length of second dorsal-fin spine; apex of esca situated above anterior half of eye when illicium adpressed; esca slightly wider than illicial stem, covered with dense, short, filaments; head slightly compressed; eye large (horizontal diameter 7–9% SL); mouth narrow; lips fleshy with prominent vertical folds; body and fins entirely naked (except for scales associated with pores of the acoustico-lateralis system and minute, deeply embedded scale and spinule fragments); long first dorsal-fin base (length 29–30% SL); second dorsal-fin rays 17, fin base 77–79% SL; length of second dorsal-fin spine 1.1–1.2 times length of longest ray of second dorsal fin; 10 anal-fin rays, length of anal-fin base 40–44% SL; 9 pectoral-fin rays; caudal peduncle short, length about 2% SL; caudal fin elongate, its length much longer than fin rays of pectoral fin, length 4.1–5.2 times caudal peduncle depth; body colour off white with yellowish patches on sides, uniformly white in preservative (Ref. 82446).
Biology: 
IUCN Red List Status: Data deficient (DD); Date assessed: 30 April 2018 Ref. (124695)
Threat to humans:  harmless
Country info:   
 

Entered by: Busson, Frédéric - 08.10.09
Modified by: Busson, Frédéric - 12.01.10

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