List of Marine Mammal Research data sets from dedicated sites to opportunistic sighting from around Australasia.
Delphinidae
Indo-Pacific bottlenose dolphin (Tursiops aduncus) inshore – year round
AT A GLANCE Tropical to temperate waters of Indo-Pacific • Small size • Moderately
robust body • Moderate-length, stubby beak • Ostensibly ‘smiling’ mouthline • Threetoned coloration (subtle to distinct) • May have dark flecking or spotting on underside • Usually in small- to medium-sized groups • Occasionally bow-rides
Location: Resident inshore bottlenose dolphins to Jervis Bay NSW.
Other sightings data @ Jervis Bay NSW.
@ Eden NSW.
@ Moreton Bay QLD.
@ Kangaroo Island SA.
Current research Projects: 2025
Photo-identification, foraging strategies and prey. Jervis Bay NSW.
Common dolphin (Delphinus delphis) offshore – year round
AT A GLANCE Tropical to temperate waters worldwide • Small size • Criss-cross or
‘hourglass’ colour pattern on sides • Dark brownish-grey cape dips to ‘V’ under dorsal fin • Tan to pale yellow or ochre thoracic patch • Light to medium grey flank patch • White underside • Details of colour pattern highly variable • Tall, moderately falcate dorsal fin midway along back • Often in fast-moving, splashy groups.
Seen transiting offshore, and visiting within Jervis Bay.
Sightings data @ Jervis Bay NSW.
@ Eden NSW.
@ Sydney NSW.
@ VIC.
@ Kangaroo Island SA.
Common bottlenose dolphin (Tursiops truncatus) offshore – year round
AT A GLANCE Tropical to temperate waters worldwide • Small size • Robust body •
Short, stubby beak • Archetypal dolphin • Ostensibly ‘smiling’ mouthline • Three-toned coloration (subtle to distinct) • Rarely has small dark flecks on underside • In coastal waters usually in small groups • Often bow-rides
Seen transiting offshore, and visiting within Jervis Bay.
Sightings data @ Jervis Bay NSW.
@ Eden NSW.
Risso's dolphin (Grampus griseus)
AT A GLANCE Worldwide from tropics to cool temperate waters • Small size • Robust body • Squarish head (side view) with indistinct beak • Cleft melon • Extensive linear scarring • Highly variable coloration within single group • Older animals almost white • Appendages usually darker than rest of body • Very tall, erect dorsal fin.
Seen offshore, and visiting within Jervis Bay.
Sightings data @ Jervis Bay NSW.
Southern right whale (Eubalaena australis)
seen July to October Jervis Bay
AT A GLANCE Cold temperate southern hemisphere • Extra-large size • Extremely
stocky body • Predominantly black with variable white on underside • Smooth back
with no dorsal fin or ridge • No pleats or grooves on throat • Low body profile at
surface • Massive head covered in light coloured callosities • Very strongly arched
jawline • V-shaped blow • Frequently engages in active surface behaviour
Seen offshore, and visiting to rest within Jervis Bay.
Sightings data @ Jervis Bay NSW.
@ Eden NSW.
Current research projects:
Photo-identification and abundance, behaviour, cow and calf development.
Mysticeti (baleen whales)
Humpback whale (Megaptera novaeangliae)
Seen April to November (to late December) Jervis Bay.
AT A GLANCE Worldwide distribution • Large size • Predominantly dark grey
to black upperside • Variable amount of white on underside • Stocky body • Small
dorsal fin sits on (variable) hump on back •Exceptionally long white (or black-and-white) flippers • Distinctive knobs on head • Strongly arches back when diving • Usually flukes on sounding dive • Variable (and individually distinctive) black-and-white pigmentation on underside of flukes.
Photo Identification and abundance, behaviour, cow and calf development, opportunistic foraging, ship-strike, entanglement, body scarring and markings.
Seen offshore, outside and visiting to rest within Jervis Bay.
Sightings data @ Jervis Bay NSW.
@ Eden NSW.
@ Sydney NSW.
@ Port Stephens NSW.
@ Offshore VIC.
@ Hervey Bay QLD.
@ Broome WA.
@ Tonga.
Current research Projects: 2025
Photo-identification, foraging strategies and prey. Jervis Bay NSW.
Antarctic minke whale (B. bonaerensis)
AT A GLANCE Tropics to poles in southern
hemisphere • Medium size • Dark grey, brownish-grey or blackish upperside, pale
underside • Variable undulating swathes of lighter grey on sides and back • May
be blotchy ochre with diatoms • Sharply pointed rostrum breaks surface first • Single
longitudinal ridge on rostrum • Tall, falcate dorsal fin two-thirds of the way along back
• Light grey chevron across back (at level of flippers) • Often has light grey pigmentation trailing from blowholes • Pale grey flippers (no white band) • Distinct blow in high latitudes.
Seen April to November Jervis Bay
Sightings data @ Jervis Bay NSW.
@ Eden NSW.
Dwarf minke whale (B. acutorostrata)
AT A GLANCE Tropics to poles worldwide • Medium size • Dark grey, brownish-grey
or blackish upper side, white underside • Variable swathes of lighter grey on sides and back • Sharply pointed rostrum breaks surface first • Single longitudinal ridge on rostrum • Relatively tall, falcate dorsal fin two-thirds of the way along back • Unique, bright white flipper bands •Indistinct or invisible blow.
Seen April to November Jervis Bay
Sightings data @ Jervis Bay NSW.
Bryde’s whale (Balaenoptera edeni)
AT A GLANCE Tropical to warm temperate waters worldwide • Large size • Sleek,
streamlined body • Uniform dark grey upper side, lighter underside • Throat
sometimes pinkish • Three parallel longitudinal ridges on rostrum • Tall, strongly
falcate dorsal fin two-thirds to three quarters of the way along back • Dorsal fin
usually visible after blowholes submerged • Symmetrical lower ‘lip’ coloration • Typically arches back and tailstock on diving.
Sightings data @ Jervis Bay NSW.
@ Eden NSW.
Odontocete whale - (Blackfish)
Killer whale, orca (Orcinus orca)
AT A GLANCE Worldwide distribution • Medium size • Two-tone colouring,
predominantly jet black (or grey) and white • Exceptionally tall dorsal fin of male •
Pronounced sexual dimorphism • White patch above and behind each eye • Usually in family groups.
Seen offshore, and visiting within Jervis Bay.
Sightings data @ Jervis Bay NSW.
@ Eden NSW.
@ Sandy Straights QLD.
@ Offshore VIC.
@ Bremer Bay WA.
@ offshore SA.
Short-finned pilot whale (Globicephala macrorhynchus)
AT A GLANCE Warm waters worldwide • Medium size • Black, blackish or brownish
• Rounded, bulbous melon • Indistinct beak • Broad-based, backswept dorsal fin far
forward • Small to large groups.
Sightings data @ Sydney NSW.
@ offshore WA.
False killer whale (Pseudorca crassidens)
AT A GLANCE Warm (mainly offshore) waters worldwide • Medium size • Dark grey to black • Long, slender body • Relatively narrow-based, falcate dorsal fin • Small,
conical head with no beak • Distinct bulge on leading edge of flippers • Small, often
exuberant groups.
Seen offshore, and visiting within Jervis Bay.
Sightings data @ Jervis Bay NSW.
@ offshore WA.
@ QLD.
Sperm whales (Physeter macrocephalus)
AT A GLANCE Deep, ice-free oceanic waters worldwide • Large to extra-large size •
Primarily dark grey • Huge squarish head • Thick, low, rounded dorsal fin • ‘Knuckles’
from dorsal fin to flukes • Wrinkly, prune-like skin • Bushy blow directed forwards and to left • Often motionless (or swims leisurely) at surface • Flukes usually raised on diving.
Sightings data @ Jervis Bay NSW.
@ Eden NSW.
@ Bremer Bay WA.
@ offshore SA.
Gray's beaked whale (Mesoplodon grayi)
AT A GLANCE Temperate waters of southern hemisphere • Medium size • Spindle-shaped body • Relatively small head • Long, slender white to light grey beak • Beak appears at 45° angle above water on surfacing • Small triangular teeth in middle of each side of lower jaw • Possibly in small groups.
Sightings data @ Bremer Bay WA.
Shepherd's beaked whale (Tasmacetus shepherdi)
AT A GLANCE Cool temperate deep waters of southern hemisphere • Medium size (larger than mesoplodonts) • Pale bulbous melon with steep forehead • Contrasting dark brownish-grey cape and much paler tailstock • Dark mask-like feature over eyes • Top of pale ‘shoulder blaze’ often visible on surfacing • Dorsal fin often bicoloured (darker in front, lighter behind) • Mainly small, close-knit groups.
Sightings data @ offshore SA.
Pinnipeds:
Australian fur seal (Arctocephalus pusillus doriferus)
2 fur seal colonies: 1 Drum n Drum Sticks, 2 Steamers
Temporary Haul out sites.
Sightings data @ Jervis Bay NSW.
@ offshore VIC.
New Zealand fur seal, (Arctocephalus forsteri)
Sightings data @ Jervis Bay NSW.
@ offshore VIC.
Other marine species:
Little blue (fairy) penguin (Eudyptula minor)
Bowen Island at Jervis Bay.
Bowen Island is home to an important Australian little penguin colony, with some 5000 breeding pairs.
Citations:
Carwardine 2022 Field Guide to Whales, Dolphins and Porpoises
Marine Mammal Research, Sightings data update: March 2025