Record (Lizard Island Field Guide)

Record details

Giant Clam (species: Tridacna gigas)
Observed by Andy Lewis
Sat, 8 Jul 2017 02:38:00

Location details

  • Lizard Island, Queensland

  • Clam Garden. The specific site (~16,000 square metres) is appproximately the inshore half of the entire reef.

  • Marine specimens found at a depth between 0 m and 3 metres.

Details about the specimens

  • 208 specimens. (exact)
  • specimens alive when found.
  • specimens alive at end of the observation process.
  • specimens left in natural environment.
  • The record does not indicate whether reproduction was occurring.

Population had increased from 158 to 208 live clams since comparable survey in 2009. Recruitment had occurred with smallest individual see 8 cm long and 12 less than 20 cm long.