Morphology Data of Lactoria cornuta
Identification keys
Abnormalities
Main Ref. Myers, R.F., 1991
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 short and / or deep
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

Cryptic coloring ranges from green and olive to orange with blue spots (Ref. 3141). Caudal fin rays 9-10 (Ref. 1602).

Description: Characterized further by having a pair of sharp "horns" about twice eye diameter in adult, longer in juvenile; "horns" extending anteriorly and slightly upward from front of carapace at level of upper edge of eye; posteriorly directed second pair of spines, one on each side of lower rear edge of carapace; very steep dorsal profile of snout, almost vertical; elongate caudal fin, 1.5-2.0 in SL, truncate margin (often ragged on trailing edge) (Ref. 90102).

Ease of Identification

Meristic characteristics of Lactoria cornuta

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
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 0 - 0
Soft-rays total 8 - 9
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 8 - 9

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   10 - 11
Pelvics Attributes  suppressed/absent
Position    
Spines     0
Soft-rays   0 - 0
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Garilao, Cristina V.
Modified by Valdestamon, Roxanne Rei
Comments & Corrections
Sign our Guest Book
Back to Search
cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17