Morphology Data of Arnoglossus laterna
Identification keys
Main Ref. Nielsen, J.G., 1986
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs no special organs
Different appearance always different morphology between mature adults
Different colors males alike females

Descriptive characteristics of juvenile and adult

Striking features flatfish
Body shape lateral fusiform / normal
Cross section compressed
Dorsal head profile more or less straight
Type of eyes more or less normal
Type of mouth/snout more or less normal
Position of mouth terminal
Type of scales

Very thin body. None of the dorsal finrays are prolonged (Ref. 4704). Lateral line with a marked curve over the pectoral fin. Behind the pelvic fins two backward curved thorns. Body slender, translucent and shaped like a sole (Ref. 35388).

Ease of Identification

Meristic characteristics of Arnoglossus laterna

Lateral Lines 1 Interrupted: No
Scales on lateral line 50 - 56
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Barbels 0
Gill clefts (sharks/rays only) absent
Gill rakers
on lower limb
on upper limb


Dorsal fin(s)

Attributes extending over most of the back length
Fins number 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 0 - 0
Soft-rays total 81 - 93
Adipose fin absent

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

Fins number 1
Spines total 0 - 0
Soft-rays total 74 - 82

Paired fins

Pectoral Attributes  more or less normal
Pelvics Attributes  asymmetric in size/position
Position    thoracic  behind origin of D1
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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