Image of Hydrolycus scomberoides (Payara). Hydrolycus scomberoides Etymology: Hydrolycus: Greek, hydr = water + Greek, lykos = wolf (Ref. ). Characin fish guide for Payara, Hydrolycus scomberoides, Vampire Tetra Info, Vampire Fish pictures and description, Vampire Tetra care, diet, tankmates, and.

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A more subdued lighting coupled with a dark backdrop will bring out their best coloring too. A stressed fish sclmberoides more likely to acquire disease.

These fangs can be 4 to 6 inches long. Integrated Taxonomic Information System.

hudrolycus These fish are hardy and disease is not usually a problem in a well-maintained aquarium. This fish can reach up to about 4 feet cm in length and weigh up to 40 lbs 18 kgthough aquarium specimens are usually only reach a quarter of that size, around 12 inches.

Payara, Hydrolycus scomberoides, Vampire Tetra Characin Fish Guide

It tapers towards the tail and has a large, fan-shaped caudal fin. The most noticeable feature of H. Baensch, Aquarium Atlas Vol.

Availability Scomberlides or Vampire Characin are not exactly rare, but smaller, aquarium-sized specimens are hard to find. Cuvier[1]. This page was last edited on 21 Octoberat Thank you kyle – hello still looking for vampire tetra or other rare species just message me at southreptiles gmail. Aquariums are closed systems, and regardless of size, all need some maintenance.

When first purchased as small juveniles, they may initially be kept in a large home aquarium. It will eat fishes it can fit into its mouth, but there’s no need to feed it live food in captivity.

Human uses

Retrieved from ” https: As they mature, they are not good community fish. This predatory fish is found in the Amazon Basin in tropical South America.

In adults the tail is dusky on the basal half, turning paler more transparent towards the tip. Payara also need optimal water conditions in captivity.


As with most fish, Vampire Tetras are prone to skin flukes, parasitic infestations protozoa, worms, etc. Aquarium Care Vampire Tetras are big messy fish that need pristine, well oxygenated water and extremely high filtration. But eventually, be prepared to invest in a tank of gallons or more with a better-than-average filter system.

Appropriate aquarium fare includes live foods such as feeder fish, earthworms, and river shrimps. An outbreak of disease can often be limited to just one or a few fishes if dealt with at an early stage. It’s 16′ hydrloycus and is a true river monster!!

Add Your Animal Story. Most likely, this is due to concerns that people may unwittingly release them into native waters. When shipped from South America, they take scombetoides a lot of space, which makes shipping costs high. The biggest concerns with the Payara are lack of space and food, and providing pristine water that is highly oxygenated.

In nature, the bulk of their natural food is the Piranha. These fish often only survive for 6 months to a year, with just a few having been reported as living up to 2 years. They often only survive for 6 months to a year in captivity, with just a few having been reported as living up to 2 years. Nelson, Fishes of the WorldWiley, It requires a large aquarium and can only be mixed with relatively large species, as smaller will be seen as potential prey.

Before you purchase this species, be sure to check with the Fish and Game Department or other environmental authorities in your area to be certain that you can keep one of these fish. Our Knowledge Base is an ever-evolving work in progress, which naturally means that some species profiles contain more information than others. Fish Keeping Difficulty Payara are extremely difficult to keep.

In fact, the two main lower teeth are so long that upper jaw has holes for them to fit into. These fish usually swallow their prey whole but will sometimes chop them into smaller, bite-sized pieces. Take great care and make sure to properly clean or quarantine anything that you scombedoides to an established tank so as not to upset the balance. Their short lifespan may be scombeorides result of a large bio load, resulting in nitrogenous waste.


Newly-imported specimens often refuse to accept anything but live fishes but most can be weaned onto dead alternatives once recognised as edible. Dinesh – Hi, i want this fish any sellers pls contact me my email ID’s: Although they are not really jumpers, they have highly developed pectoral fins to aid in rapid pursuit of prey, and they may shoot out of the water.

Maximum Standard Length — mm. It helps to cover the sides and back of the tank with either a dark aquarium background or paint them with a dark color. Habitat This species is pelagic and adults tend to be associated with flowing stretches of main river channels and larger tributaries of both white and black water rivers.

You must be logged in to post a comment. For the related species also known as payara, see Hydrolycus armatus. To combat these ever-changing conditions, water should be replaced on a regular basis. I will be building his next home gal aquarium this summer. These large predacious fish are best cared for in public aquariums or by the most experienced fish keepers with the space, financial ability, and dedication to care for them.

As with most predatory species, these fish produce a lot of waste, so a highly-efficient filter is needed.

Hydrolycus scomberoides lower illustration and Rhaphiodon vulpinus upper illustration. Anything you add to your tank can introduce disease.