Morphology Summary - Alestopetersius caudalis
Morphology Data of Alestopetersius caudalis
Identification keys
Abnormalities
Main Ref. Boulenger, G.A., 1909
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  (shape guide)
Cross section compressed
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

Description: Body depth 21/3-21/2 times in TL, head length 31/2-4 times; head as long as deep, upper profile slightly concave; its lower jaw projecting neyod upper; snout much shorter than eye, which is 21/2-2 2/3 times in HL and equals interorbital width; maxillary extending to below anterior border of eye; outer premaxillary teeth 4, alternating with the 8 inner ones; lower jaw teeth 8; gill rakers rather long, lower anterior arch 16-18; D II,8 originating immediately behind vertical of base of ventral, at equal distance from end of snout and from caudal, longest ray as long as head; A III-IV, 19-20; pectoral little shorterr than head, reaching or nearly reaching than ventral; caudal fin forked with pointed lobes; caudal peduncle as long as deep; scales 29-30 51/2 / 31/2; scales between lateral line and root of ventral 2; reddish, with a silvery lateral band, which becomes blackish on the caudal peduncle and extends as a black band on the caudal fin (Ref. 1878).

Ease of Identification

Meristic characteristics of Alestopetersius caudalis

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 16 - 18
on upper limb
total
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   
Ventral  
Spines total 2 - 2
Soft-rays total 8 - 8
Adipose fin

Caudal fin  (shape guide)

Attributes

Anal fin(s)

Fins number 1
Spines total 3 - 4
Soft-rays total 19 - 20

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   
Pelvics Attributes  
Position    
Spines     
Soft-rays   
(e.g. 9948)
(e.g. oophagy)
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cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17