Morphology Data of Raneya brasiliensis
Identification keys
Abnormalities
Main Ref. Nakamura, I., T. Inada, M. Takeda and H. Hatanaka, 1986
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 elongated
Cross section compressed
Dorsal head profile
Type of eyes more or less normal
Type of mouth/snout more or less normal
Position of mouth sub-terminal/inferior
Type of scales
Diagnosis

Scales on body in regular but non-overlapping rows, some anguilloid, becoming anguilloid in pattern on belly and flanks in front of anus, top of head from interorbit to nape and sides of head with non-imbricate scales, snout, subocular area and chin and throat naked; ethmoid spine short but strong; gill chamber dark; esophagus dark and intestines and stomach pale; no pyloric caeca; males with posterior opening on swim bladder (Ref. 34024). About 10 broad dark brown bands on body. Dorsal, anal and caudal fin margins blackish. Caudal fin small, posterior margin rounded. Pelvic fins comprising two filamentous rays (Ref. 27363).

Ease of Identification

Meristic characteristics of Raneya brasiliensis

Lateral Lines 1 Interrupted: No
Scales on lateral line
Pored lateral line scales 47
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 4 - 5
on upper limb 2 - 3
total 6 - 8
Vertebrae
preanal
total 62 - 66

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 0 - 0
Soft-rays total 111 - 135
Adipose fin absent

Caudal fin

Attributes other (see remark); confluent

Anal fin(s)

Fins number 1
Spines total 0 - 0
Soft-rays total 93 - 105

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   19 - 23
Pelvics Attributes  other (see diagnosis)
Position    thoracic  before origin of D1
Spines     0
Soft-rays   2 - 2
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Comments & Corrections
Back to Search
cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17