Morphology Summary - Stolephorus insularis
形態学データの Stolephorus insularis
検索表
Abnormalities
主な資料 Whitehead, P.J.P., G.J. Nelson and T. Wongratana, 1988
外観とは
Bones in OsteoBase

性別の特性

専門の臓器 no special organs
異なる出現 males alike females
異なる色 males alike females
意見

大人と子供の特性に関する記述

目立つ特徴 none
身体の側面  (shape guide) elongated
横断面 compressed
後頭部の側面 clearly convex
目の種類 more or less normal
目/鼻の種類 more or less normal
口の場所 sub-terminal/inferior
スケールの種類 cycloid scales
診断

Diagnosis: Body somewhat compressed, belly with 4-8 small needle-like pre-pelvic scutes; a small pre-dorsal spine in some specimens; maxilla tip pointed, reaching to or beyond hind border of pre-operculum, the latter concave, indented near maxilla tip; lower gillrakers 21 to 28; fine teeth on upper edge of hyoid bones; anal fin short, usually with 3 unbranched and 14-17 branched finrays, its origin below about middle of dorsal fin base; a double pigment line on back behind dorsal fin; tail deep yellow, at least in Indian specimens (Ref. 189). Of species with an indented pre-operculum, Stolephorus andhraensis has fewer gillrakers, 20-21, and S. ronquilloi has more gillrakers, 28-30; other species with a pre-dorsal spine also have a spine on the pelvic scute, like in S. dubiosus, S. baganensis and S. tri; hyoid tooth patches are present in S. commersonnii, but pre-operculum rounded, scutes usually 1-4, and in S. carpenteriae, but no pigment lines on back, anal origin under anterior part of dorsal fin base (Ref. 189).

Description: Body somewhat compressed (Ref. 189). Maxilla tip pointed, reaching to or beyond hind border of pre-operculum (Ref. 30573). Number of gillrakers on upper limb 16-20, gillrakers on lower limb 21-28 (Ref. 189, 122132). Anal-fin origin below dorsal-fin base (Ref. 30573). With 4-8 small needle-like pre-pelvic scutes, no post-pelvic scutes (Ref. 189, 30573).

Colouration: A double pigment line on back behind dorsal fin; tail deep yellow, at least in Indian specimens (Ref. 189, 30573).

識別の容易さ

対称特性の Stolephorus insularis

側線 中断された: No
側線ラインの長さ
孔のあいた側線鱗
横列のスケール
側線ラインより上の規模
側線ラインより下の規模
側線(尾鰭付近)周囲の規模
ひげ 0
鰓(サメ/エイのみ)
鰓篩
下部のヒレに 21 - 28
上部のヒレの上に 16 - 20
合計
脊つい
肛門前方の
合計

背面のヒレ

属性 no striking attributes
鰭の数 1
小離鰭の数 Dorsal   
Ventral  
脊椎の合計
全体の鰭
脂びれ absent

尾びれ  (shape guide)

属性 forked; more or less normal

肛門のひれ

鰭の数 1
脊椎の合計 0 - 0
全体の鰭 17 - 20

対ひれ

胸の 属性  more or less normal
脊椎     
鰭   
骨盤の 属性  more or less normal
場所    abdominal  before origin of D1
脊椎     
鰭   
(例 9948)
(例 oophagy)
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