Morfologiska data för Enteromius melanotaenia
Bestämningsnycklar
Abnormalities
Main Ref. Lévêque, C., 2003
Utseende refererar till
Bones in OsteoBase

Könskaraktärer

specialiserade organ no special organs
annat utseende males alike females
andra färger males alike females
Anmärkningar

Karaktäristiska egenskaper hos juveniler och adulter

Särskilt slående egenskaper none
Lateral kroppsform fusiform / normal
Tvärsnitt
Dorsal profil av huvudet more or less straight
Ögontyp more or less normal
Typ av mun/snyte more or less normal
Munnens placering terminal
Type of scales
Diagnos

Diagnosis: last simple dorsal-fin ray smooth on hind margin; scale formula 3.5/22-25/3.5; 2.5 scales between lateral line and pelvic-fin base; 9 scales around caudal peduncle; 8 branched dorsal fin rays; two pairs of barbels; anterior barbel not reaching to anterior margin of eye/not extending beyond centre of eye; posterior barbel extending beyond hind margin of eye; lateral line complete and more or less horizontal to weakly depressed below dorsal fin; maximum reported size 39 mm SL; no black spot on dorsal fin; wide, black lateral band on sides from snout to base of caudal peduncle (Ref. 43268, 81282).

Description: moderately robust, short-bodied species; predorsal profile smoothly rounded to origin of 1st spinous dorsal ray; snout short and blunt; mouth small and subterminal; cephalic pits poorly developed and barely visible on cheek and head surface; eyes relatively large; pectoral fins large and broad, and usually overlap origin of large pelvic fins; posterior dorsal-fin margin straight to slightly falcate; anal fin relatively long; caudal fin strongly forked with pointed lobes; body covered with large regularly imbricate cycloid scales; striations on scale are few in number and diverge from central focus of each scale (Ref. 43268). Mouth’s angle situated below anterior margin of eye; D: IV,8; A: III,5; P: I,14; V: I,7 (Ref. 81282).

Coloration: broad, jet black ribbonlike band extends from behind operculum to base of caudal peduncle; dorsal body surface darkly pigmented (Ref. 43268, 81282). Belly pale (Ref. 43269, 81282) and slightly yellowish (Ref. 43268). All fins are slightly pigmented and dusky grey in color (Ref. 43268).

Ease of Identification

Meristiska karaktäristika för Enteromius melanotaenia

Sidolinjer 1 avbruten: No
Fjäll längs sidolinje 22 - 25
Porbärande fjäll längs sidolinje
Fjäll i lateralserie
Antal rader fjäll ovan sidolinje 3 - 4
Antal rader fjäll under sidolinje 3 - 4
Fjäll runt stjärtfensspole 9 - 9
Skäggtömmar 4
Gälspringor (endast hos hajar/rockor)
Gälräfständer
på undre del av gälbåge 3 - 3
på övre del av gälbåge
totalt
Ryggkotor
preanal
totalt

Fenor

Ryggfena/fenor

Egenskaper no striking attributes
Antal fenor 1
Antal småfenor Dorsal   
Ventral  
Totalt antal hårda fenstrålar 0 - 0
Totalt antal mjuka fenstrålar 12 - 12
Fettfena absent

Stjärtfena

Egenskaper forked

Analfena/fenor

Antal fenor 1
Totalt antal hårda fenstrålar 0 - 0
Totalt antal mjuka fenstrålar 8 - 8

Pariga fenor

Bröstfena Egenskaper  more or less normal
Fenstrålar hårda     0
Fenstrålar mjuka   15 - 15
Bukfenor Egenskaper  more or less normal
Position    abdominal  beneath origin of D1
Fenstrålar hårda     0
Fenstrålar mjuka   8 - 8
Main Ref. (t.ex. 9948)
Ordlista ( t.ex. cephalopods )
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cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  senast uppdaterad av sortiz, 06.27.17