Morphology Data of Malthopsis velutina
Identification keys
Abnormalities
Main Ref. Ho, H.-C., 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: body covered with fine bucklers and prickles forming a velvet-like integument; with black patches on body surface, including upper portion of eye; rostral spine short (x? = 4.0% SL), blunt and directed upward rather than forward; subopercular buckler small, several spinules at its tip; large eye (x? = 13.7% SL); narrow interorbital space (x? = 5.3% SL); anal fin reaching caudal fin base when fully laid back; D 5-7, usually six (5-7) and pectoral-fin rays 12-13 (rarely 11) (Ref. 124115).

Ease of Identification

Meristic characteristics of Malthopsis velutina

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 5 - 7
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total
Soft-rays total

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   12 - 13
Pelvics Attributes  
Position    
Spines     
Soft-rays   
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