Are Pencil Fish Aggressive?

by | Last updated on January 24, 2024

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Beckford's pencilfish are

extremely aggressive feeders

, and if you have shy fish in the tank, they may not get their share when the Beckford's are in town. It's always wise to vary the diet of your fish regardless of whether or not you want to breed them.

Are pencil fish top dwellers?


If you want a top-dwelling fish that is cheap and easy then Brown tail Pencilfish is for you

. It hangs out at the top, at a 45-degree angle, got a mouth up there looking at the top for little bugs to eat for flake food that you will be dropping in. SCHOOLING-FISH: Get them in a group of 6 or more; more the married.

How big can a pencil fish get?

Some habitually swim at an angle, tail down, others horizontally, and still others tail up. The larger pencil fish grow to

somewhat over 20 cm (8 inches) long

and include well-known aquarium as Anostomus anostomus (family Anostomidae) and various species of Hemiodus (family Hemiodontidae).

Are pencil fish easy to breed?


The Pencilfish is an easy breed

to keep in the home aquarium because its tank requirements are easy to achieve. These fish prefer soft, slightly acidic water with a pH range between 5.5 and 7.0 and a temperature range between 72°F and 82°F.

Can pencil fish live with bettas?

Male Bettas are highly territorial and will display aggressive behavior towards other fish.

Pairing them with small species like the Pencil fish is a bad idea since they may become victims of Betta aggression and even food

.

Are pencil fish schooling fish?

Vivid red coloration and black striping and very small size. Peaceful disposition with fish and peaceful invertebrates.

Very active and noticeable schooling fish

in any aquarium.

How big do Halfbeaks get?

Origin: Tank-bred, but indigenous to India and Southeast Asia. Average adult size:

2 – 2.8 inches (5 – 7.1 cm)

. Females are much larger than males. Average purchase size: 1 – 2 inches (2.5 – 5 cm)

Are pencil fish tetras?


It comes from the order Characiformes (same as the fish commonly called tetras)

, the family Lebiasinidae, and from the subfamily Pyrrhulininae (which includes splashing tetras).

How do pencil fish breed?

When ready to spawn, and whilst swimming alongside one another, the male will nudge the female's abdomen. The eggs will be laid/fertilised a few at a time, and these should fall into the mass of plants or down into the safety of the marbles.

What fish looks like a pencil?


Pencilfish
Genus: Nannostomus Günther, 1872 Type species Nannostomus beckfordi Günther, 1872

What do you feed pencil fish?

It will enjoy eating

little pellets, cooked fish food, flake food, frozen food, dry food and anything eatable by fish in general

. With an occasional treat of frozen or live small animals like brine shrimps and bloodworms, it will achieve its best appearance and coloration.

How do you breed coral red Pencilfish?

To breed this species in captivity,

the breeding tank should be heavily planted, water pH should be around 6.8 and water temperature should be around 75°F

. The eggs take 1 to 2 days to hatch and the fry become free swimming 4 to 5 days later.

Is Pencilfish Hardy?

A very colorful small characin from the Rio Nanay basin in Peru, the “coral red pencil fish” or Nannostomus mortenthaleri may just be the perfect aquarium fish.

It's hardy

, easy to keep, accepts most any foods offered, is adaptable to most water conditions and is not extremely hard to breed in captivity.

What is Nanofish?

NANO FISH are

fish that grow less than two inches and are suitable for aquariums as small as 10 gallons

. The amount of fish that an aquarium can safely support is relative to the level of filtration, maintenance, and feeding.

How many Ember tetras are there?

Ember Tetras should always be kept together. If you want them to school, you should have

at least six ember tetras

, and if you have six, that means you should have at least a 10-gallon tank. The minimum amount of Ember tetras you should have together is two; they likely won't get as lonely.

What fish get along with bettas?

​ Suitable tank mates may include,

Pygmy Corydoras, female Guppies as they are not usually brightly colored, Ember Tetra, and Harlequin Rasboras

. All these fish are calm and more importantly are not fin nippers. Snails are also another good option. Nerite snails, and Mystery snails both do well with Bettas.

Can I put mollies with bettas?

Some of the main things to remember when adding mollies and bettas together are:

Mollies survive better in slightly brackish water

, while you may think bettas wouldn't like this the international betta congress approve of using aquarium salt as a general preventative and believe it's also beneficial to bettas.

Do betta fish need companions?

Betta fish are naturally territorial and

should not be housed with any other betta fish

because they will fight and injure each other, often resulting in death. They are unlikely to get lonely in their tank; however, if they are in a small tank, they may get bored.

What is dither fish?

The term dither fish refers to an arbitrary group of aquarium fish, commonly used by aquarists, to help reduce innate timidity and aggression as well as to promote normal social behaviour in the other fish housed within the same aquarium.

Where are killifish from?

killifish, also called egg-laying topminnow, any of a few hundred species of usually elongated fishes of the family Cyprinodontidae (order Atheriniformes), found

worldwide, especially in the tropics of Africa and the New World

. They inhabit brackish, salt, and fresh water, including certain desert hot springs.

Are killifish Livebearers?

Killifish are sometimes mistaken for livebearers although

they are not

. Killies are egg layers and usually require a spawning mop in order to successfully breed in the fish aquarium. The majority of the killifish available today are captive bred and very hardy, adjusting to a variety of water conditions.

Are halfbeaks easy to breed?


Not as easy to breed as many livebearers, although it is certainly possible

. The difficulty does not lie with inducing the fish to breed, but that many females give birth to still-born fry.

Do halfbeaks jump?


Halfbeaks are known to jump about quite a lot

(they are related to flying fishes, after all).

How many wrestling does Halfbeak have?

Wrestling halfbeak
Order:


Beloniformes

Family:


Zenarchopteridae

Genus:


Dermogenys

Species:


D. pusilla

Which fish can swim in standing position?


Seahorses

are rather immobile, swimming more slowly than other fishes. When swimming they maintain a vertical position and propel themselves forward using a soft-rayed dorsal fin.

Diane Mitchell
Author
Diane Mitchell
Diane Mitchell is an animal lover and trainer with over 15 years of experience working with a variety of animals, including dogs, cats, birds, and horses. She has worked with leading animal welfare organizations. Diane is passionate about promoting responsible pet ownership and educating pet owners on the best practices for training and caring for their furry friends.