How to Identify South American Bumblebee Catfish

To identify South American Bumblebee Catfish (Microglanis iheringi), look at these key features.

Physical Characteristics

Body shape

elongated

Coloration

Distinctive pattern of dark brown to black bands or blotches on a yellowish to light brown or cream background. The banding can vary in intensity and pattern between individuals and populations. The fins often have similar banding.

Scale type

none

Mouth position

inferior

Distinctive features

Three pairs of prominent barbels (one maxillary, two mandibular), Adipose fin present, Small, deeply set eyes, Relatively large head in proportion to body, Maximum standard length typically around 7-8 cm (2.8-3.1 inches)

Dorsal fin

Short-based, with a strong, serrated spine and typically 6-7 soft rays. Located anteriorly on the body.

Tail fin

Slightly forked to emarginate, often with dark bands.

Pectoral fin

Well-developed, with a strong, serrated spine and several soft rays. Used for propulsion and defense.

Distinctive fins

Adipose fin is relatively large and well-developed, positioned over the posterior half of the anal fin.

Identification Tips

1. 1

   Coloration and Pattern

   Look for the characteristic dark brown/black bands or blotches on a lighter yellowish/cream background. This 'bumblebee' pattern is a key identifier.

2. 2

   Size

   Adults typically reach 7-8 cm (3 inches) in standard length, making them a relatively small catfish.

3. 3

   Barbels

   Observe the three pairs of prominent barbels around the mouth, which are used for sensing food in low light conditions.

4. 4

   Adipose Fin

   Note the presence and relatively large size of the adipose fin, a fleshy fin without rays located between the dorsal and caudal fins.

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