Trisha Shetty (Editor)

Clarias batu

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Kingdom
  
Order
  
Siluriformes

Genus
  
Higher classification
  
Clarias

Phylum
  
Chordata

Family
  
Clariidae

Scientific name
  
Clarias batu

Rank
  
Species

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Clarias batu (sometimes known under the common name Tioman walking catfish) is a species of clariid catfish. It is only known from Tioman Island off the eastern coast of Peninsular Malaysia. The eel-like catfish found on this island were originally identified as the widespread species Clarias nieuhofii but comparison of a large series of specimens from Tioman with a series of C. nieuhofii from the mainland revealed consistent and distinctive differences indicating a separate species.

This is an elongated catfish up to 30.5 cm (12.0 inches) standard length. It can most readily be distinguished from C. nieuhofii by the fact that the dorsal and anal fins are clearly separated from the caudal fin whereas C. nieuhofii has all these fins confluent. Care should be taken however as specimens of C. batu have been recorded which have apparently confluent fins as a result of healing after suffering damage.

References

Clarias batu Wikipedia


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