How to Identify Banded Goby

To identify Banded Goby (Amblygobius phalaena), look at these key features.

Physical Characteristics

Body shape

elongated

Coloration

The body is typically whitish to pale tan, adorned with 5-7 prominent dark brown to black vertical bands that extend from the dorsal surface to the ventral side. A dark spot is often present on the upper caudal fin base. The fins are generally translucent with some darker markings.

Scale type

ctenoid

Mouth position

terminal

Distinctive features

5-7 dark vertical bands on the body, Elongated body shape, Large eyes positioned dorsally, Small, pointed snout, Often seen sifting sand

Dorsal fin

Two dorsal fins; the first dorsal fin has 6 spines, and the second dorsal fin has 1 spine and 12-13 soft rays. The first dorsal fin is often taller than the second.

Tail fin

Rounded to slightly emarginate caudal fin.

Pectoral fin

Pectoral fins are relatively large and rounded, with 17-19 rays.

Distinctive fins

Pelvic fins are fused into a disc-like structure, characteristic of gobies, used for perching and adhesion.

Identification Tips

1. 1

   Body Bands

   Look for the distinct 5-7 dark vertical bands across its pale body. This is the most defining characteristic.

2. 2

   Habitat

   Observe its behavior in sandy or silty areas; it frequently sifts sand through its gills.

3. 3

   Fin Structure

   Note the two dorsal fins and the fused pelvic fins forming a disc.

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