![]() ![]() Or if you prefer to keep your adventure on the surface, you can also book one of our Koh Lanta snorkeling trips. Spot Triggerfishes on one of our daily Koh Lanta diving trips. Usually seen solitary around coral rich areas. The diet includes coral polyps, algae, sponges, worms, crabs, urchins and fishes. The Orange-lined Triggerfish grows to 30 cm, however more usually observed around 15 cm - 20 cm. ![]() The second dorsal fin, pectoral fin, anal fin and tail fis are all yellow. There are a series of orange streaks from the mouth along the cheeks. The Orange-lined Triggerfish has a green body with many diagonally curved orange stripes and a large dark spot on the tail base. Although bites are not venomous, they and can inflict an injury that may require medical attention, so it is best to be wary and observe from a distance when they are nesting. Divers should swim horizontally away from the nest rather than upwards which would only take them further into the territory. Their territory around the nest is cone shaped towards the surface and divers who accidentally enter it may be chased away. When they are tending to their eggs, a female titan triggerfish will guard her nests vigorously against all intruders. The eggs are laid within the nest and are cared for by both parents until hatching. He will have 2 or 3 females joining him and he will mate with all of them. The males will establish territories and build open nests on sandy bottoms or reefs. Titan triggerfish spawn with the lunar cycles and tides. Their size and strength don't make them an easy meal. They have dark markings above the mouth which look like a moustache and black edgings on their fins and around their eyes.Īpart from sharks and Giant Grouper, not much is known about what in particular preys on mature titan triggerfish. The body is green and yellow with a white lower jaw and tail base. Titan triggerfish are the largest species of triggerfish, growing to 80cm in length.
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