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

  • Lagoon between South and Palfrey Islands. The specific site (~7000 square metres) has a straight line on the South Island side and does not extend to the bommie in central part of lagoon.

  • Marine specimens found at a depth between 0 m and 4 metres.

Details about the specimens

  • 78 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.

Smallest 5 cm long. Six individuals smaller than 20 cm length. Recruitment had occurred since earlier comparable survey in 2009 when 61 live individuals were found.