Morphology Data of Parapsilorhynchus alluriensis
Identification keys
Main Ref. Jadhav, S.S., M. Karuthapandi, K. Chandra, D. Jaiswal, K.P. Dinesh and A. Narahari, 2020
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral elongated
Cross section compressed
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales

This species is distinguished from its congeners by the following set of characters: body small, elongate, with head depressed; with a poorly-developed callous pad behind lower lip; the pad not distinctly delimited posteriorly; head is deep (depth at occiput 47.3-72.3% HL); body stout and deep (depth at dorsal fin origin 17.3-21.7 % SL); gape width 27.3-32.8% HL; inter-orbital space 33.9-43.2% HL; eyes visible in ventral view; lower lip is rounded; mouth is small, inferior and horizontal, the mouth opening situated very close to anterior tip of snout; upper lip is concealed by poorly-developed slightly fringed rostral fold; rostral fold with minute papillae; simple pectoral-fin rays 3; lateral-line scales 33-34 (Ref. 122022).

Ease of Identification

Meristic characteristics of Parapsilorhynchus alluriensis

Lateral Lines Interrupted: No
Scales on lateral line 33 - 34
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb


Dorsal fin(s)

Fins number
Finlets No. Dorsal   
Spines total
Soft-rays total 7 - 7
Adipose fin

Caudal fin


Anal fin(s)

Fins number
Spines total
Soft-rays total 5 - 5

Paired fins

Pectoral Attributes  
Soft-rays   10 - 11
Pelvics Attributes  
Soft-rays   6 - 7
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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