Morphology data of Oorhynchus aucklandiae
Identification keys
Main Ref. Child, C.A., 1998
Appearance refers to

Sex attributes

specialized organs
different appearance
different colors
remarks

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Diagnosis Trunk: compact, Aschorhynchus- like, segments posteriors each with two long middorsal spines, lateral process separated by narrow intervals, ocular tubercle tall, distally bulbous, placed at anterior of first trunk segment, eyes prominent. Proboscis: short, egg-shaped. Abdomen: long, carried horizontally, extending to tip of third coxae of fourth leg pair. Chelifores: short, globular in shape with distal spines, chelae vestigial, sunken within distal cups. Palp: 9 segmented, oviger 10 segmented, both Achelia-like, oviger strigilis with one or two denticulate spines per segment. Femur: short, with long setae and enormous dorsodistal cement gland tube on a tall tubercle. Propodus: short, slender, without larger heel spines, no auxiliary claws (Ref. 9).
Ease of Identification

Meristic characteristics of Oorhynchus aucklandiae

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
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total
Soft-rays total

Paired fins

Pectoral Attributes  
spines     
soft-rays   
Pelvics Attributes  
Position    
spines     
soft-rays   
Ref. [ e.g. 3742]
Glossary [ e.g. cnidaria]
Back to Search
Comments & Corrections