Morphology Data of Laeops nigrescens
Identification keys
Abnormalities
Main Ref. Voronina, E.P., J. Maclaine, S. Raredon and P. Pruvost, 2020
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral
Cross section flattened
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: head length 3.7-4.4 in SL,

body depth 2.5-2.7 in SL; upper profile no notch anterodorsal to eyes; snout with pointed tip; pectoral-fin length of ocular side 4.6-5.7 in SL and as long as head; upper jaw length about lower eye diameter; teeth on lower jaw in one of the blind side; dorsal fin beginning above posterior nostril of blind side, the first two rays of the dorsal fin detached from other rays, none prolonged and pterigiophores as long as neural spines of first four caudal vertebrae; D 93-101, A 72-81, pectoral-fin rays on ocular side 12-13, blind-side 11-13, caudal-fin rays 3 + 11 + 3, pelvic-fin rays on ocular side 6 and blind-side 6, lateral line scales 80-93, gill rakers 2-5 + 8-10, vertebrae 10 + 35-37 (Ref. 126083).

Ease of Identification

Meristic characteristics of Laeops nigrescens

Lateral Lines Interrupted: No
Scales on lateral line 80 - 93
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 8 - 10
on upper limb 2 - 5
total
Vertebrae
preanal 10 - 10
total 45 - 47

Fins

Dorsal fin(s)

Attributes
Fins number
Finlets No. Dorsal   
Ventral  
Spines total
Soft-rays total 93 - 101
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total
Soft-rays total 72 - 81

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   11 - 13
Pelvics Attributes  
Position    
Spines     
Soft-rays   
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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