Measuring, Marking and Sexing Rock Lobster
Measuring rock lobster
The length of the rock lobster's carapace (shell) is used to measure its size. To measure a rock lobster:
If you are taking rock lobster close to minimum size, be sure your measuring device is accurate.
- Spread the antennal horns.
- Place the gauge tip hard into the middle notch.
- Measure from the notch to the end of the carapace.
Tail-clipping rock lobster
Rock lobster that you keep must be marked as 'recreationally-caught' fish as follows:
- Cut off at least a quarter of the central tail flap OR punch a 10 mm hole in it.
- If fishing from a boat, mark the tail fan within 5 minutes of the lobster being brought to the boat and before landing; or
- If fishing from the shore, mark the tail fan within 5 minutes of landing and within 50 metres of the place where you are fishing.
Sexing rock lobster
Female rock lobster
- have large, overlapping pleopods (swimmerets/flaps) under the tail; and
- have a small nipper claw is present on the end of each rear leg.
It is illegal to take female rock lobster in berry (with eggs) or strip the eggs. If you catch a lobster in berry, return it to the water as soon as possible.
Female rock lobster in berry
Video - Female rock lobster in berry
Male rock lobster
- have small swimmerets under the tail;
- have no nipper claws on the rear legs.