How Long Do Blenny Fish Live?

The Lawnmower Blenny fish can live up to

2-4 years

, but some specimens have even lived longer in well cared for aquariums.

Can you keep multiple blennies together?

I would advise against it in that size tank

. Lawnmower blennies can be quite territorial towards other “perching” fish, so would need more space to coexist.

Are blennies peaceful?

Well-Known Member. I agree with the Midas blenny. I have had two of them over the past few years and

they were always super peaceful

even though they were the biggest fish in my tank at the time. They always seemed to draw out my other fish and make them more social.

How big can blennies get?

Blennies reach a size of

three inches

and are typically bottom dwellers. Blenny Fish are somewhat territorial in nature, and only one species per tank is recommended. Extensive rockwork and a good growth of microalgae are necessary to successfully maintain them in captivity.

Does blenny need sand?

They stay in and around the rocks, with forays into the water column to feed.

They don’t need a sandbed

.

How much does a blenny cost?

Will blennies fight?

Most blennies are definitely territorial with other blennies

. Having a larger tank helps, but some can be persistently aggressive. If you have a pic it can help determine how bad any aggression might be.

What is the difference between a goby and a blenny?

While a goby has a fused pelvic fin, which evolved into a suction cup, the fins of blennies are not modified in such a way

. Also, blennies often perch in a curved body position, in contrast to the gobies, which rest with a straight body.

Can blenny live with goby?

If you’re planning on keeping blennies and gobies together, Can they live together? The short answer is

yes, it is possible

. But it’s also possible to survive a plane crash.

How do you feed blennies?

Feeding Blennies

These greedy eaters are not picky and will usually accept any kind of fish food that can be offered. As a rule of thumb,

the types of blenny that spend more time swimming in the water column (e.g., fang blennies) will feed primarily on tiny crustaceans such as brine shrimp and mysis shrimp

.

What do lawn mower blennies eat?

The Lawnmower Blenny is an algae-eating, herbivorous fish that eats

filamentous green microalgae, diatoms, filamentous blue-green microalgae, and detritus

.

Are lawnmower blennies reef safe?

Very cool little fish.

Use caution if you plan on keeping one of these lawnmower blennies in a reef tank setup

. They have been reported to become more aggressive as they grow and will not tolerate same or similar species in smaller tanks. It has also been said that they may nip at coral polyps and clam mantles.

Does blenny fish jump?

Yes, they are jumpers

but don’t jump that much.

Are blennies saltwater fish?

Blenny Habitat and Care

As with all saltwater systems

, proper water quality is crucial for fish health. Keep up with a regular maintenance schedule, keeping in mind that your blennies may be hiding in your cleaning area.

What fish eats blennies?

Predators. Larger fish such as

striped bass, bluefish and weakfish

will prey on blennies, who hide from predators within the small crevices of oyster reefs.

What is the biggest blenny?

By far the largest species is the

eel-like hairtail blenny

at 53 cm in length; most other members of the family are much smaller. Combtooth blennies are active and often highly colourful, making them popular in the aquarium hobby.

Are blennies friendly?

The bicolor blenny is

relatively peaceful

, though it may squabble with perceived resource competitors, such as other blennies or species that are very similar in appearance or habits. Conspecifics are also best avoided unless you can be certain of acquiring a bonded pair. It’s generally safe to keep E.

What is the smallest blenny?

How do you identify blennies?

Most blenny species can be distinguished

by their single dorsal fin, which runs the full length of the body and has a distinctive notch in the centre which can make it look like two separate fins

.

How many tail spots does blenny have?

So it’s best to keep

one blenny per tank

, for the most part.

Are blennies territorial?

Blennies are

highly territorial

and will attempt to defend their territory from perceived threats. Blennies have been observed biting and charging at fish much larger than they are.

Can you put 2 gobies together?

You should be fine to have both gobies in a tank that size

.

Can you keep more than one goby in a tank?

Limit stocking to one goby of each genus unless there’s plenty of room

. Most will adapt well to captive diets and a variety of small fresh, frozen and artificial feeds is important.

Do blennies sift sand?

Fish Medic

Lawnmower

blennies aren’t really sand-sifters

. Mine will bite at the sand a bit, but it doesn’t keep my sand clean.

Are bicolor blennies aggressive?

They get along completely fine but I know

bicolors are a bit more aggressive

. My YWG did fight consistently with a royal gramma I had and the royal gramma ended up dying after being continuously injured so that is a possibility.

Are Mudskippers blenny?