Cetacean diversity has been interesting off Sydney lately. 8 species have been seen in the last 2 weeks from the Halicat during scheduled pelagics, private charter pelagics, Uni course charters and whale-watching trips. The water has been 17-19 degrees C, mostly <18.
Dwarf Minke Whale: newly weaned juveniles (alone and c 3 m long) closely approaching boat near sea cliffs on 17 September and 1 October; single individuals offshore on 8 and 16 October.
Humpback Whale: heaps every trip; max 25 on 9 Oct.
Pygmy Killer Whale: 30 on 9 Oct close to boat for extended period, mid shelf.
Rissos Dolphin: c 10 offshore on 16 October
Pantropical Spotted Dolphin: c. 100 offshore on 5 Oct (many with fresh, deep cookie-cutter shark bites).
Common Dolphin: c 50 inshore on 9 Oct. c 300+ midshelf on 9 Oct
Oceanic Bottlenosed Dolphin: c 100 midshelf on 9 Oct
Coastal Bottlenosed Dolphin: c 20 near seacliffs on 9 Oct (1 female on her back at surface to avoid amorous males). c 50 inshore on 15 Oct; c100 inshore on 16 Oct.