Morphology Data of Hepsetus kingsleyae
Identification keys
Abnormalities
Main Ref. Decru, E., E. Vreven and J. Snoeks, 2013
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
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

Diagnosis: distinguished from H. akawo and H. lineata by a narrower head width [26.4–35.6 (mean 33.1) v. 32.8–42.3 (37.0) and 32.8–46.7 (39.4)%HL, respectively] and its narrower internasal distance [15.6–23.3 (mean 20.6) v. 21.9–28.3 (24.7) and 21.5–29.3 (25.1)%HL, respectively]; both characters are positively allometric; distinguished from H. lineata by smaller number of lateral-line scales (45–51 v. 50–64) and higher number of gill rakers [17–23 v. 12–18 (exceptionally 20 in 1 specimen)]; distinguished from H. odoe by smaller number of lateral-line scales [45–51 v. 51–60 (exceptionally 49)] and smaller distance between nostril and lower jaw [33.2–40.9 (mean 38.2) v. 40.4–47.6 (43.1)%HL]; latter character is positively allometric; distinguished from H. cuvieri by higher number of gill rakers (17–23 v. 8–13), lower number of scales between dorsal fin and lateral line (8.5–9.5 v.10.5–11.5), lower number of scales between adipose fin and lateral line (5.5 v. 6.5–7.5) and longer snout [39.3–43.2 (mean 41.0) v. 35.5–38.8 (37.3)%HL]; latter character is positively allometric (Ref. 93279).

Description: elongated, laterally compressed body and narrow head with long and narrow snout; head relatively shallow; dorsal and anal fins in a relatively anterior position compared to typical position in its congeners; relatively few lateral line scales; number of gill rakers on the epibranchial of the first gill arch high (Ref. 93279).

Coloration: in alcohol: dorsal side of head and body olive greenish to brownish, with a gradual ventral change from darker to lighter tones on flanks; belly pale yellowish; sometimes with a series of 8-12 greyish vertical bands on dorsolateral parts of body; posterior part of head with 3 distinct, dark brownish bands running from posterior border of eye to anterior edge of preopercule; bands sometimes faded and poorly visible; lower half of opercule brownish, sometimes blackish; dorsoventrally rounded and elongated blackish spot posterior to head, above lateral line; pectoral and pelvic fins light yellowish, dorsal fin darker yellowish; caudal fin dark yellowish on distal part and dark orange-brown at base; posterior half of all fins, except adipose, translucent; caudal fin translucent in mid-centre and in proximal parts of both upper and lower lobes; dorsal, anal and caudal fins generally with a few small, roundish, dark brown spots; adipose-fin base yellowish-white, distal part black (Ref. 93279).

Ease of Identification

Meristic characteristics of Hepsetus kingsleyae

Lateral Lines 1 Interrupted: No
Scales on lateral line 45 - 51
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line 8.5 - 9.5
Scale rows below lateral line
Scales around caudal peduncle
Barbels 0
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 17 - 23
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes no striking attributes
Fins number 1
Finlets No. Dorsal   0
Ventral  0
Spines total
Soft-rays total
Adipose fin present

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 1
Spines total
Soft-rays total

Paired fins

Pectoral Attributes  more or less normal
Spines     
Soft-rays   
Pelvics Attributes  more or less normal
Position    abdominal  before origin of D1
Spines     
Soft-rays   
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