Nematabramis Everetti

Datasheet

General Description

Nematabramis everetti, commonly known as Everett's danio, is easily differentiated from other similar species by its unique combination of features such as elongated barbels, deep body, and distinct dark humeral marking. It typically reaches a maximum size of 10.5cm and is classified under the order Cypriniformes within the family Cyprinidae.

Aquarium Setup

To recreate a suitable environment for N. everetti in an aquarium setting, provide ample space for swimming as the species prefers both fast-moving and slower stretches of water. Mimic its natural habitat with a mix of swiftly-flowing streams, pools, and occasional vegetation. For more details on the setup, refer to the provided table.

Behaviour

The behavior of N. everetti varies with age, with juveniles and subadults favoring fast-moving water while adults tend to inhabit deeper, slower parts of minor tributaries.

Feeding and Diet

Being primarily carnivorous, N. everetti feeds on both terrestrial and aquatic invertebrates close to the water surface. It is an active hunter and needs a diet rich in proteins to thrive in captivity.

Reproduction & Dimorphism

This species of danio is presumed to prefer warm, shallow waters for spawning. Mature females of N. everetti typically exhibit a deeper body profile compared to males, showcasing sexual dimorphism.

Habitat and Distribution

Endemic to Borneo, N. everetti is found in various habitats ranging from swift streams to lakes and degraded swamps in Malaysian states like Sarawak and Sabah, as well as Indonesian provinces such as East Kalimantan and North Kalimantan. Its type locality is the Bongon River in Sarawak, Borneo.