Giant Amberfish

Thelenota anax

Thelenota anax is a sea cucumber found in Indo-West Pacific.
Sea Cucumber - Thelenota anax  Mabul,Malaysia,Sabah,Sea Cucumber,Thelenota anax

Distribution

This species occurs in the Indo-West Pacific from eastern Africa and Madagascar and the Comoros Islands, east to Australia, Indonesia, the Philippines and Spratly Islands, as far north as Japan, and southeast to French Polynesia and the Cook Islands.
Amberfish Sea Cucumber (Thelenota anax) Air Prang, Lembeh. Geotagged,Giant Amberfish,Indonesia,Spring,Thelenota anax

Status

Uncommon
Amberfish/Giant Sea Cucumber (Thelenota_anax) The species ID is not Thelenota ananas but Thelenota anax. 
They can grow to 90 cm  and are light mottled in shades of brown  with large rectangular body with longitudinal crease  on top and sides, covered with small knob-likepapillae. 
http://www.iucnredlist.org/details/180324/0
https://en.wikipedia.org/wiki/Thelenota Fall,Geotagged,Giant Amberfish,Malaysia,Thelenota ananas,Thelenota anax

Habitat

This is a rare species mostly found at depths between 10 to 30 m. It generally occurs on hard ground, large rubble and coral sand patches, on reef slopes, outer lagoon and near passes.
Amberfish Sea Cucumber (Thelenota anax) Air Prang, Lembeh. Geotagged,Giant Amberfish,Indonesia,Spring,Thelenota anax

Predators

Humans
Amberfish Sea Cucumber (Thelenota anax) Jahir, Lembeh.
The butt of the sea cucumber where I found the emperor shrimp posted earlier. Geotagged,Giant Amberfish,Indonesia,Spring,Thelenota anax

Uses

This species is heavily exploited in Indonesia (Tuwo 2004). Recent surveys in French Polynesia only found 2 individuals (Kronen et al. 2008). In Samoa, this species was not found in any surveys (Vunisea et al. 2008). In Tonga, up to 20 individuals per hectare were found in 2001-2008 (Friedman et al. 2009).

References:

Some text fragments are auto parsed from Wikipedia.

http://www.iucnredlist.org/details/180324/0
http://www.marinespecies.org/aphia.php?p=taxdetails&id=210915
Taxonomy
KingdomAnimalia
DivisionEchinodermata
ClassHolothuroidea
OrderAspidochirotida
FamilyStichopodidae
GenusThelenota
SpeciesThelenota anax
Photographed in
Indonesia
Malaysia