Main Ref. | Schwarzhans, W.W., M.M. Mincarone and B.T. Villarins, 2020 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | |
Cross section | compressed |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Type of scales | |
Diagnosis |
This species is distinguished by the following characters: moderately slender with flat dorsal head profile leading up to ’humpback’ structure at beginning of first dorsal fin; snout pointed, inferior, steeply inclined; pectoral-fin rays 15-16, its length 23.6-29.7% SL; A II+9, first anal-fin pterygiophore moderately long, with broad hollow base and straight to slightly backward bent tip; vomer V-shaped with 2-3 rows of granular teeth and 0-1 longer tooth near sides of base; palatine narrow, with 1-2 rows of granular teeth; eye diameter 13.1-16.9% SL; snout length 8.2-11.3% SL; gill rakers 27-31; pseudobranchial filaments 15-23; many longitudinal ridges on preopercular lobe; inner edge of preopercle with 3-6 denticles; otolith compressed (OL:OH = 1.3-1.35); maximum length not exceeding 8.6 cm SL (Ref. 122020). |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | |
Pored lateral line scales | |
Scales in lateral series | |
Scale rows above lateral line | |
Scale rows below lateral line | |
Scales around caudal peduncle | |
Barbels | |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | |
on upper limb | |
total | 27 - 31 |
Vertebrae | |
preanal | 10 - 10 |
total | 25 - 25 |
Attributes | |
Fins number | 2 |
Finlets No. | Dorsal |
Ventral | |
Spines total | 10 - 10 |
Soft-rays total | 10 - 10 |
Adipose fin |
Attributes |
Fins number | 1 |
Spines total | 2 - 2 |
Soft-rays total | 9 - 9 |
Pectoral | Attributes |
Spines 0 | |
Soft-rays 16 - 16 | |
Pelvics | Attributes |
Position | |
Spines 1 | |
Soft-rays 5 - 5 |