Come identificare Indonesian Tigerfish

Per identificare Indonesian Tigerfish (Datnioides microlepis), osserva queste caratteristiche chiave.

Caratteristiche fisiche

Forma del corpo

compressed

Colorazione

Base color ranges from golden yellow to brownish-yellow, adorned with 5-7 prominent, irregular, vertical black bands. The intensity and number of bands can vary, and some individuals may exhibit a 'split bar' pattern where a single band appears to be two. The fins are typically translucent or slightly dusky.

Tipo di squame

cycloid

Posizione della bocca

terminal

Caratteristiche distintive

Large, protractile mouth with thick lips, Robust, deep body, Small, cycloid scales (hence 'microlepis'), Prominent vertical black bands on a golden to brownish-yellow body, Large eyes relative to head size

Pinna dorsale

Two dorsal fins; the first is spiny (XII-XIII spines), and the second is soft-rayed (13-14 soft rays). The spiny dorsal fin is typically lower than the soft-rayed portion.

Pinna caudale

Rounded to slightly emarginate caudal fin.

Pinna pettorale

Large, rounded pectoral fins.

Pinne distintive

Anal fin with III spines and 9-10 soft rays. Pelvic fins are thoracic.

Consigli per l'identificazione

1. 1

   Body Shape and Size

   Robust, deep-bodied fish reaching up to 45 cm (18 inches) in length, though larger specimens up to 60 cm (24 inches) have been reported in the wild.

2. 2

   Coloration and Banding

   Golden to brownish-yellow base color with 5-7 distinct, irregular black vertical bands. The bands extend from the dorsal to the ventral surface. The number and pattern of bands are crucial for species differentiation within the genus.

3. 3

   Scales

   Possesses very small, cycloid scales, which is a key diagnostic feature and the basis for its specific epithet 'microlepis' (meaning 'small scales').

4. 4

   Mouth

   Large, protractile mouth, indicative of its predatory nature.

Esplora Indonesian Tigerfish