Red-Finned Blue-Eye – Scaturiginichthys Vermeilipinnis

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Red-Finned Blue-Eye – Scaturiginichthys Vermeilipinnis

 

 

 

 Facts:

Type: Marine

Diet: Carnivore

Size: 2.5cm – 3cm

Protection status: Endangered

 

Iridescent Shark – Pangasianodon Hypophthalmus

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Iridescent Shark – Pangasianodon Hypophthalmus

 Facts:

Type: Marine

Diet: Carnivore

Size: 4 feet (120 cm)

Weight: 300 gallon

Protection status: Endangered

 Map

 Further Facts:

Iridescent sharks originate from the large rivers Chao Phraya and Mekong in Asia, though they have been introduced into other rivers for aquaculture. They are a freshwater fish that natively live in a tropical climate and prefer water with a 6.5–7.5 pH, a water hardness of 2.0–29.0 dGH, and a temperature range of 22–26 °C (72–79 °F). They prefer large bodies of water similar to the deep waters of their native Mekong river basin.

The iridescent shark is a migratory fish that moves upstream to spawn during the flood season while the waters are high and returns downstream to seek rearing habitats when the river water levels recede. Upstream migration in this species appears to be triggered by receding waters. At the end of the flood season, the fish migrate back downstream away from flooded waters. The dates of the migrations vary depending on the river system. In the Mekong river basin, they migrate upstream in May to July and return downstream during September through December. South of the Khone Falls, upstream migration occurs in October to February, with its peak in November to December.