Lake Tebera rainbowfish

Melanotaenia herbertaxelrodi

FreshwaterFish

Care at a glance

Temperature
68–79°F (20–26°C)
pH
7.0–8.0
Adult size
3.5 in (9 cm)
Minimum tank
25 gal (95 L)
Temperament
Peaceful
Social behavior
Schooling
Swim level
Middle
Difficulty
Medium
Breeding
Hard
Rarity
Rare
Origin
New Guinea
Family
Melanotaeniidae

Overview

Lake Tebera rainbowfish are peaceful, medium-small rainbows that do best in a group of six or more, where males take on the yellow body and dark midline stripe that set the species apart. They keep to the middle of the tank and get along with other calm community fish. Color and confidence build with a settled group and good feeding, so offer varied meals of flake or small pellet, frozen bloodworms, daphnia, and brine shrimp. Plant the sides and back and leave open swimming space. Aim for a tank around 95 liters or larger.

In the wild

This rainbowfish is native to Lake Tebera in the highlands of Papua New Guinea, a warm, clear lake with neutral to alkaline, moderately hard water. Those conditions match a pH of about 7 to 8 and a temperature between 20 and 26 degrees Celsius. Recreate the habitat with a fine substrate, wood and rock, plenty of hardy plants around the margins, and clean, gently flowing water.

Good to know

Melanotaenia herbertaxelrodi is a member of Melanotaeniidae and reaches about 9 centimeters. Males carry a golden-yellow body crossed by a dark lengthwise stripe, while females are plainer and slimmer. Like its relatives it is a continuous egg-scatterer, dropping a few eggs a day onto fine plants and spawning mops over a long spell, then leaving them. The slow-growing fry make breeding hard for most keepers.

Did you know

The species is named after Herbert R. Axelrod, the American publisher whose books and magazines helped popularize the aquarium hobby. Like several highland rainbowfish, it is known from only one lake.

Appears in

Freshwater fish · Rainbowfish · Schooling fish · Community fish

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