List of Marine Mammal Research data sets from dedicated sites to opportunistic sighting from around Australasia.

inshore bottlenose dolphin

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. 

inshore bottlenose dolphin
inshore bottlenose dolphin

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.

offshore bottlenose dolphin
Common dolphin
Common dolphin

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.

Risso's dolphin

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. 

Humpback Whale
Humpback Whale
Humpback Whale
Southern Right Whale
Southern Right Whale

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.

Antarctic minke whale

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.

Dwarf minke

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.

Bryde’s whale

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.   

Bremer Bay WA
Killer Whales EA

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.

False killer whale
Short finned pilot whales

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.

Sperm Whales

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.

Gray's Beaked Whale

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.

Shepards Beaked

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. 

New Zealand Fur-seal
Australian fur-seal

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.

Little Blue (Fairy) Penguin

Citations: 

Carwardine 2022 Field Guide to Whales, Dolphins and Porpoises

Marine Mammal Research, Sightings data update: March 2025