Morphology Data of Ilyophis maclainei
Identification keys
Abnormalities
Main Ref. Tighe, K.A., D.G. Smith, N.R. Merrett, B.W. Frable and U. Zajonz, 2024
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
Cross section oval
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 scales in an irregular basket-weave pattern; trunk moderate (about 20% of TL); dorsal-fin origin above the posterior half of pectoral fin; gape moderate, extending at most to posterior half of eye; teeth not compound, with intermaxillary teeth conical and acute, approximately 16-18 teeth in the tooth patch, vomerine teeth abutting the rear of intermaxillary patch with approximately 25 teeth irregularly biserial anteriorly and becoming uniserial posteriorly, both intermaxillary and vomerine teeth set in beds of papillose tissue, maxillary teeth arranged in bands of one to four (medially) to one irregular row, anterior teeth somewhat enlarged; dentary teeth arranged in bands with roughly three to five series of teeth, anterior ones (in two rows) the largest; lateral line extends to approximately 70-75% the length of body; cephalic lateralis pores: supraorbital pores (SO) 3, infraorbital pores (IO) 6 (including the adnasal pore just posterior to anterior nostril), preoperculomandibular pores (POM) 8-9, pores in mandibular region 7-8 and the eighth or ninth pore in a preopercular position; total vertebrae 131-134 (Ref. 132084).

Ease of Identification

Meristic characteristics of Ilyophis maclainei

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 31 - 32
total 131 - 134

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   
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