Morphology Data of Neotrygon ningalooensis
Identification keys
Abnormalities
Main Ref. Last, P.R., W.T. White and M. Puckridge, 2010
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 other
Cross section flattened
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth sub-terminal/inferior
Type of scales placoid scales
Diagnosis

A relatively large Neotrygon (reaching at least 30 cm OW) with the following combination of characters: disc weakly quadrangular, slightly broader than long, width about 1.1 times length; pectoral apices broadly rounded; snout fleshy, broadly rounded, angle 110-123°, length 2.1-2.4 times interorbital width; preoral length 2.1-2.4 times mouth width; internasal distance about 1.2 in prenasal length; interspiracular distance 14.8-15% OW; nostril length 4-4.2% OW; nasal curtain width 9.2-10.8% OW; mouth width 8.1-10.5% OW; body and tail naked except for 4-5 thornlets in single continuous row in nuchal region; pectoral-fin radials 105-107; total vertebral centra (including synarcual) 125-126, trunk centra (including synarcual) 37-42; dorsal coloration with a dense, asymmetric scattering of small, orange spots and larger bluish white blotches.

Ease of Identification

Meristic characteristics of Neotrygon ningalooensis

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
Finlets No. Dorsal   
Ventral  
Spines total
Soft-rays total
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total
Soft-rays total

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   
Pelvics Attributes  
Position    
Spines     
Soft-rays   
Back to Search
Comments & Corrections
cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17