![]() Not only does it have a mysterious reputation due to a lack of research on the species, but it also has an unforgettable appearance that includes two gigantic fangs. The payara is one of the craziest fish that you’ll find in South America. Some of them are vampire fish that absolutely deserve their reputation. Some of them are ugly but harmless creatures that don’t deserve their reputation. There are a lot of dark, creepy things that live below the water’s surface. What is the fish that swims up your urethra?Ģ9 Vampire Fish Facts: Meet Amazon’s Payara What is the most dangerous freshwater fish in the world? What other fish are known as vampire fish? What eats a payara? Predators and Threats ![]() What was the size of the biggest payara in the world? 29 Vampire Fish Facts: Meet Amazon’s Payara.The latter fit into a pair of corresponding openings in the upper jaw which allows the mouth to be closed completely.Ĭynodontinae contains two primary monophyletic lineages, one comprising the genus Hydrolycus and the other a clade with Cynodon and Rhaphiodon spp., with members sometimes referred to collectively as ‘dogtooth characins’. It’s sometimes included in the putative subfamily Cynodontinae alongside Cynodon and Rhaphiodon, these being separated from other Characiformes by a series of derived features plus their oblique mouth shape and highly-developed dentary canine teeth. Hydrolycus can be easily-separated from other genera in the family Cynodontidae by the fact that the dorsal-fin origin is located distinctly anterior to a vertical through the anal-fin origin plus the dorsoventral enlargement of the mesethmoid spine is almost round in shape from a lateral view and enlarged in Hydrolycus scomberoides, H. It can be told apart from all congeners by the following combination of characters: serrations present on the exposed field of scales in specimens larger than 100 mm SL pelvic-fin base inserted laterally, distinctly above ventral profile of body a black spot at the base of the innermost pectoral-fin rays. armatus, though that species grows considerably larger, is popular with sports anglers and unsuitable for all but the very largest home aquaria. It’s regularly confused with the payara, H. This species may be referred to using a variety of names including ‘scomb’, ‘sabre tooth tetra’, ‘sabre tusk barracuda’, ‘dog tooth characin, ‘vampire fish’, ‘Cachorra’ or ‘Pirandirá’ (the latter two names being used in Brazil where they’re also applied to congeners). Juveniles tend to adopt a presumably cryptic, oblique, ‘head-down’ position and lurk among the décor whereas adults are fully pelagic. It can also be maintained in a group in a suitably-sized aquarium but the purchase of at least three specimens is advisable. The aquarium should ideally be designed to resemble a flowing stream or river with a substrate of variably-sized rocks, sand, fine gravel , and some larger water-worn boulders.īest kept alone or with similarly-sized, non-aggressive fishes since it’s actually quite peaceful with those too large to be considered food. ![]() Reproduction occurs between November and April and adults perform long upstream migrations in order to do so. 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. Type locality is given simply as ‘Brazil’ but this species is currently understood to be widespread in the central and upper Amazon River system in Brazil, Bolivia, Peru and Ecuador, with the rio Tapajós in Brazil appearing to mark the downstream limit of its range. Monster fishkeepers dream, these guys grow up to 4 ft and require a river type flow.
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