Bicolor blenny size: how big does it get?

Adults reach about 10 cm. The largest on record measured 11 cm (total length). Record sizes among the 7 Ecsenius species on LumaReef: 3.4 cm (Allen's Combtooth Blenny) to 13 cm (Midas blenny).

Bicolor blenny tank size: what is the minimum?

A tank at least 75 cm long. In LumaReef that is the Standard tank or larger.

Bicolor blenny water parameters: what does it need?

Temperature 23–27 °C, pH 7.8–8.5. Close to what most Blenniidae on LumaReef need (23–27 °C).

Bicolor blenny tank mates: what can it live with?

It gets along with 89 of the 99 reef species in the catalogue, such as Flame angelfish, Coral beauty angelfish, and Potter's angelfish.

Bicolor blenny depth: how deep does it live?

In the wild, 1 to 25 m down. Close to most Ecsenius on LumaReef (2–30 m).

ReefIn the market200 coinsCommon

Bicolor blenny

Ecsenius bicolor

It settles into a hole in the rock and leaves only its head out.

The Bicolor blenny (Ecsenius bicolor) is a tropical marine fish of the family Blenniidae. It lives on and around reefs, between 1 and 25 m deep. Adults grow to about 10 cm; the largest on record measured 11 cm (total length). In the aquarium it needs a tank at least 75 cm long and water at 23–27 °C.

Size: 10 cm
Smallest tank: 75 cm
Temperature: 23–27 °C
Care: Easy

In the aquarium

Temperature23–27 °C

pH7.8–8.5

Temperament: Peaceful
Diet: Herbivore
Activity: Calm
Water layer: Bottom
Group: Lives on its own
Coral: Reef safe

These values are compiled from real species data, and the LumaReef simulation is built to keep them true to life.

Which tank it fits

Nano60 cm · 65 litresToo small
Standard90 cm · 180 litres18 of them
Wide120 cm · 300 litres30 of them
Living room180 cm · 650 litres65 of them
Showcase250 cm · 1,200 litres120 of them
Gallery300 cm · 1,440 litres144 of them

Who it lives with

Gets along89 species

and 65 more species

Caution1 species

Narrow shared temperature range

Lined seahorse

Not together9 species

Aggressive with peaceful

In the wild

Water type: Marine
Climate zone: Tropical
Habitat: Coral and rocky reefs
Largest on record: 11 cmtotal length
Aquarium trade: Traded commercially

Depth

surface

1 m25 m

Conservation status

Classification

OrderBlenniiformes
FamilyBlenniidae
GenusEcsenius
SpeciesEcsenius bicolor
Described byDay, 1888

In other languages

German: Zweifarben-Schleimfisch
Spanish: Blenio Bicolor
French: Blennie bicolore
Italian: Bavosa bicolore
Russian: Двухцветный эксен
Japanese: フタイロカエルウオ
Chinese: 二色無鬚鳚

Quick answers

Bicolor blenny size: how big does it get?: Adults reach about 10 cm. The largest on record measured 11 cm (total length). Record sizes among the 7 Ecsenius species on LumaReef: 3.4 cm (Allen's Combtooth Blenny) to 13 cm (Midas blenny).
Bicolor blenny tank size: what is the minimum?: A tank at least 75 cm long. In LumaReef that is the Standard tank or larger.
Bicolor blenny water parameters: what does it need?: Temperature 23–27 °C, pH 7.8–8.5. Close to what most Blenniidae on LumaReef need (23–27 °C).
Bicolor blenny tank mates: what can it live with?: It gets along with 89 of the 99 reef species in the catalogue, such as Flame angelfish, Coral beauty angelfish, and Potter's angelfish.
Bicolor blenny: alone or in a group?: It can be kept on its own.
Bicolor blenny and corals: is it reef safe?: Yes, it leaves corals alone.
Bicolor blenny depth: how deep does it live?: In the wild, 1 to 25 m down. Close to most Ecsenius on LumaReef (2–30 m).