Morphology Summary - Amatitlania siquia
Morphology Data of Amatitlania siquia
Identification keys
Abnormalities
Main Ref. Schmitter-Soto, J.J., 2007
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) short and / or deep
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

This species is distinguished by the following characters: body relatively deeper; fewer circumpeduncular scales; gill rakers on first arch often bifid; caudal edge of urohyal sigmoid; with anterodorsad spine on first dorsal pterygiophore; dorsal-fin interradial scales in one row; peritoneum pigmented rostrally; straight-irregular posterior edge of mesethmoid; gut simple, S-shaped, folded ventrorostrally, anal and medial loops not touching; caudal blotch two-thirds on peduncle and one-third on fin; scales from lateral line to base of first dorsal fin ray modally 1.5; caudal vertebrae modally 14 (Ref. 74403).

Ease of Identification

Meristic characteristics of Amatitlania siquia

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 15 - 17
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total
Vertebrae
preanal
total 26 - 27

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   
Ventral  
Spines total 17 - 18
Soft-rays total 8 - 10
Adipose fin

Caudal fin  (shape guide)

Attributes

Anal fin(s)

Fins number 1
Spines total 9 - 10
Soft-rays total 7 - 8

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   
Pelvics Attributes  
Position    
Spines     
Soft-rays   
(e.g. 9948)
(e.g. oophagy)
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