Hoofdreferentie | Lévêque, C., 2003 |
Uiterlijke beschrijving verwijst naar | |
Bones in OsteoBase |
Gespecialiseerde organen | no special organs |
Verschillende uiterlijke vorm | males alike females |
Verschillende kleuren | males alike females |
Opmerkingen |
Opvallende kenmerken | none |
Laterale lichaamsvorm | fusiform / normal |
Dwarsdoorsnede | |
Dorsaal kopprofiel | more or less straight |
Type ogen | more or less normal |
Type muil/snuit | more or less normal |
Positie van de muil | sub-terminal/inferior |
Type of scales | cycloid scales |
Diagnose |
Diagnosis: last simple dorsal-fin ray smooth on hind margin; head elongate; scale formula 3.5-4.5/26-29/4.5; 2.5 scales between lateral line and pelvic-fin base; 12 scales around caudal peduncle; 7-8 branched dorsal fin rays; caudal peduncle deeper than B. anniae (ratio caudal peduncle depth/head length over 50%); two pairs of fairly long barbels; anterior barbel reaching to, or extending beyond, posterior half of eye; posterior barbel extending beyond hind margin of eye; lateral line complete and weakly depressed below dorsal fin; maximum reported size 105 mm SL; 3 large well defined spots on sides, 1st before level of dorsal-fin origin, 2nd slightly behind vertical line from last dorsal-fin ray, 3rd at end of caudal peduncle; average distance between centres 2nd-3rd spot/distance between centres 1st-2nd spot (= RDT) is 1.14-1.22; fins colorless in life; adults with larger spots (Ref. 2940, 81282). Description: dorsal profile slightly convex, with pointed head; some lines of cephalic pores more or less visible on the head; D: III,(7)8; A: III,5 (Ref. 2940, 81282). Coloration: 3 rounded, well defined spots along middle of sides, 7th or 8th scale above lateral line, 2nd behind vertical line from last dorsal-fin ray, 3rd at end of caudal peduncle; lateral-line scales as well as those above, and those in the 2 rows below lateral line, lined with melanophores (Ref. 2940, 81282). |
Gemak van identificatie |
Laterale lijnen | 1 Onderbroken: No |
Aantal schubben op laterale lijn | 26 - 29 |
Aantal geperforeerde schubben op laterale lijn | |
Aantal schubben in lateral serie | |
Aantal rijen schubben boven laterale lijn | 3 - 5 |
Aantal rijen schubben onder laterale lijn | 4 - 5 |
Aantal schubben rond staartsteel | 12 - 12 |
Baarddraden | 0 |
Kieuwspleten (enkel bij haaien en roggen) | |
Kieuwdoornen | |
op onderste gedeelte | |
op bovenste gedeelte | |
totaal | 8 - 13 |
Wervels | |
preanaal | |
totaal |
Eigenschappen | no striking attributes |
Aantal vinnen | 1 |
Aantal bijvinnen | Dorsal |
Ventral | |
Totaal aantal stekels | 0 - 0 |
Totaal aantal zachte vinstralen | 10 - 11 |
Vetvin | absent |
Eigenschappen | forked; more or less normal |
Aantal vinnen | 1 |
Totaal aantal stekels | 0 - 0 |
Totaal aantal zachte vinstralen | 8 - 8 |
Pectorale vinnen | Eigenschappen more or less normal |
stekels | |
Zachte vinstralen | |
Pelvische vinnen | Eigenschappen more or less normal |
Positie abdominal beneath origin of D1 | |
stekels | |
Zachte vinstralen |