Morphology Data of Helcogramma microstigma
Identification keys
Main Ref. Holleman, W., 2007
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks Males masked black below eye. Females unmasked head; caudal peduncle with dark bar (Ref. 75031).

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral elongated
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales

Diagnosis: Dorsal fin III + XIII+ 10-11, first fin tall; anal fin I + 18-20; pectoral rays 15 (3+6+6); pelvic fin I, 2, spine short and hidden, segmented rays simple, partially united by membrane. Vertebrae 11 + 23-25. LL total lateral scales 37-38; tubed 24-30, ends below 3rd dorsal fin; transverse 9/7; nape, belly, and anterior of 1st dorsal fin base scaleless, caudal-fin base with 2-3 rows of scales. Mandibular pores 4+1+4. Lower labial folds narrow; upper lip inner margin crenulated. Orbital cirrus simple and pointed. Head length 3.4 in SL; eye 2.9, maxilla 2.2 in HL. Overall dark pink, with 3 orange spots at 2nd dorsal-fin base, and pink spots along midline and anal-fin base. Males masked black below eye. Females unmasked head; caudal peduncle with dark bar (Ref. 75031).

Ease of Identification

Meristic characteristics of Helcogramma microstigma

Lateral Lines Interrupted: No
Scales on lateral line 37 - 38
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
preanal 11 - 11
total 34 - 36


Dorsal fin(s)

Fins number 3
Finlets No. Dorsal   
Spines total 16 - 16
Soft-rays total 10 - 11
Adipose fin absent

Caudal fin

Attributes more or less truncate

Anal fin(s)

Fins number 1
Spines total 1 - 1
Soft-rays total 18 - 20

Paired fins

Pectoral Attributes  
Soft-rays   15 - 16
Pelvics Attributes  
Position    thoracic
Spines     1
Soft-rays   2 - 2
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Casal, Christine Marie V.
Modified by Olisa, Kristine Elaine Paz
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