Record (Lizard Island Field Guide)

Record details

Crown-of-thorns starfish (species: Acanthaster solaris cf.)
Observed by Anne Hoggett
Sun, 27 Nov 2022 16:00:00

Location details

  • Lizard Island, Queensland

  • LIRS aquarium

Details about the specimens

  • 4 specimens. (accurate to within 1)
  • specimens alive when found.
  • specimens alive at end of the observation process.
  • specimens removed from natural environment as a part of the record-taking process.
  • Reproduction was occurring.

Two individuals were in a LIRS display aquarium. At least one spawned sperm sometime before about 4 pm, when noticed by Eric Fakan. At about 5 pm, flowing seawater to aquarium turned off, tank cleaned and filled with new seawater and the two individuals returned to it. Then at least one of the specimens spawned again.

Morgan Pratchett had other individuals in a grey tub. Two of those spawned in the afternoon as well.