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AND OTHER MARINE INVERTEBRATES OF THE TWEED - BYRON COAST, AUSTRALIA. |
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SEA SLUGS |
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AND OTHER MARINE INVERTEBRATES OF THE TWEED - BYRON COAST, AUSTRALIA. |
UPDATES
Latest additions. New species on site and better images of species already listed.
HELP NEEDED! Any feedback on species not named, and corrections to my mistakes, would be greatly appreciated.
The locations given are where I have found these species but this does not imply that these are the only places
on the coast that they can be found.---------------------------------------
Please use BROWSER button to return to this page.
September - Spring is here and already getting warmer. should be in the water soon.
Some worms and hydroids from the base of the seawall, and microshells from beach grit.
Species - Brunswick seawall - New
Species? - Brunswick seawall - New
Coryne sp - Brunswick seawall - New
Species? - Brunswick seawall - New
Species? - Brunswick River - New
Gouldiopa sp - Brunswick Beach - New
Circulus lodderae - Hastings Pt & Brunswick beach - Correct ID
Species? - Brunswick seawall - New
Melita sp? - Brunswick river - New
Oenonidae - Brunswick River - New
Oenonidae - Brunswick River - New
Syllidae - Brunswick Sea Wall - New
Syllidae - Brunswick Sea Wall - New
Phyllodocidae - Brunswick Sea Wall - New
Phyllodocidae - Brunswick Sea Wall - New
Hyboscolex sp?- Brunswick Sea Wall - New
Volvulella rostrata - Brunswick beach - New
Pisinna approxima - Brunswick beach - New
Badepigrus protractus - Brunswick beach - New
Eatonina rubrilabiata - Brunswick beach - New
Pisinna paucirugosa - Brunswick beach - New
Agatha australis - Brunswick beach - New
Odostomia sp? - Brunswick beach - New
Species? - Brunswick beach - New
Paramormula varicifera - Brunswick beach - New
May - Rain, dirty water, too much swell, getting older, and more rain. All keeping me from diving.
Beachcombing providing a few interesting finds.
Galeolaria Page - New
Ascarosepion pfefferi - Brunswick Beach - New
Nassarius fuscus - Brunswick River - ID correction
Species? - Brunswick Beach - New
Rhinoclavis sinensis - Hastings Point - New
Leptomya pura - Brunswick Beach - New
Sticteulima sp - Hastings Point - New
Eatoniella purpurea - Hastings Point - New
Amphithalamus pyramis - Hastings Point - New images
Amphithalamus incidatus - Hastings Point - New
Pseudopisinna gregaria - Hastings Point - New
Lucidestea nitens - Hastings Point - New images
Caecum amputatum - Hastings Point - New images
Granulina nympha - Hastings Point - New images
January - A new year, and I am hoping that there will be more diving done than last year.
Oxynoe neridae - Brunswick River - Identified
Ascobulla japonica - Hastings Point - New Images
Haloa cobbi - Hastings Point - New Images
Craspedochiton cf cornutus - Hastings Pt. - New images
Species? - Hastings Point - New
Xenophora solarioides - Brunswick Beach - New
Astele speciosum - Brunswick Beach - New images
Species? - Hastings Pt - New
Species? - Hastings Pt - New
Species? - Hastings Pt - New
Species? - Hastings Pt - New
Species? - Hastings Pt - New
Epicodakia consettiana - Brunswick Beach - New
Pratulum thetidis - Brunswick Beach - New
Semelangulus tenuilirata - Brunswick Beach - New
Cleidothaerus albidus - Brunswick Beach - New
Ophiothela mirabilis - Hastings Point - New images
Leocrates sp? - Hastings Point - New
Leocrates sp? - Brunswick River - New
Holothuria cinerascens - Hastings Point - Identified
Myrianida pachycera - Brunswick River - New
October - Not many opportunities for diving lately but hopefully that will change. Beachcombing has provided
a few interesting finds and I have also updated my Links page with a few PDF's of interest.
Physalia utriculus - Neuston - Name change - PDF
Invasive oyster - PDF
Architectonica grandiosa - Brunswick Hds beach - New images
Tetraclitella sp?- Brunswick seawall - New
Mactrotoma antecedens - Brunswick Beach - New images
Modiolus areolatus - Brunswick Beach - New images
Hemidonax dactylus - Brunswick Beach - New images
Sphaeronectes brevitruncata - Brunswick River - New
Monitilora ramsayi - Brunswick Beach - New
Species? - Hastings Point - New
Species? - Brunswick Beach - New
Species? - Brunswick Beach - New
Species? - Brunswick Beach - New
Species? - Brunswick Beach - New
Ostracod sp - Hastings Pt - New
Species? - Hastings Pt - New
Stichopus sp - Hastings Point - New
Species? - Hastings Point - New
Synaptid sp - Brunswick River - New
Stichopus sp? - Brunswick River - New
Species? - Hastings Point - New
April - After a Tropical Cyclone and two intense east coast lows, the beaches and rivers here are recovering
from being battered by heavy swell and continual rain. Hastings Point also suffered heavily but should be worth a
dive after the current school holidays. I have revised my Ascidacea page, adding some new species not previously
included and naming others. Any help with identification, and corrections, is appreciated.
Acasta sp? - Brunswick Beach - New
Gnathia sp? - Hastings Pt - New
Ritterella tokioka - Hastings Point - Identified
Polyandrocarpa zorritensis - Brunswick River - Identified
Symplegma teruakii - Brunswick R & Hastings Pt - Identified
Species? - Hastings Pt - New
Species? - Hastings Pt - New
Species? - Brunswick River - New
Species? - Brunswick River - New
Species? - Brunswick River - New
Species? - Brunswick River - New
Species? - Brunswick River - New
Species? - Brunswick River - New
Species? - Brunswick River - New
Synoicum sacculum - Hastings Pt - Identified
Pyura irregularis? - Brunswick R & Hastings Pt - Identified
Perophora hutchisoni? - Brunswick River - Identified
Polycarpa viridis - Brunswick River - Identified
Eusynstyela latericius - Brunswick River - Identified
Botrylloides violaceus? - Brunswick River - Identified
Botrylloides diegensis - Hastings Point - Identified
February - Not much new to report. A recent run of on-shore winds left a lot of cuttlebones on the beach
and, although a common occurrence here, some were in very good condition. My thanks to Dr Amanda Reid at
the Australian Museum for her help with identification.
Ascarosepion mestus - Brunswick Beach - New
Ascarosepion opiparum - Brunswick Beach - New
Ascarosepion plangon - Brunswick Beach - New
Acanthosepion whitleyana - Brunswick Beach - New
Sepia grahami - Brunswick Beach - New
Atagema sp - Hastings Point - New
Avaldesia albomaculata?? - Brunswick River - New
Avaldesia tahala - Brunswick River - Name change
January - After a lot of rain, the river is still not worth a dive, and the Christmas school holiday crowd
prevents parking at other spots. Just a few more weeks and they will all go away!!
Tenellia puti - Brunswick River - Newly named
Arakawania marginalba - Brunswick Hds & Hastings Pt - Name change
Cingulina pulchra - Hastings Pt - New
Barbatia foliata - Hastings Pt - New
Phronimella elongata? - Brunswick Beach - New
Oxinasphaera aylostera - Brunswick Beach - New
Species? - Brunswick River - New
Species? - Brunswick River - New
Species? - Hastings Pt - New
Species? - Hastings Pt - New
October - Not much diving but hopefully I can get into the water now the school holiday crowds are
gone for a while.
Species? - Brunswick Heads - New
Phronima sp - Brunswick Beach - New
Phronima sp - Brunswick Beach - New
Spirobranchus sp? - Hastings Point - New
Branchiomma sp? - Brunswick Heads - New
Spirobranchus sp - Brunswick Heads, on flotsam - New
Eunaticina linnaeana - Seagull Rocks - New
Eudendrium sp? - Brunswick Heads - New
Sukashitrochus atkinsoni? - Hastings Point - New
Sagenotriphora ampulla? - Hastings Point - New
Ascarosepion rozella - Brunswick Beach - New
Species? - Seagull Rocks - New
Species? - Seagull Rocks - New
Trinchesia sp - Brunswick River - New
Trinchesia sp - Brunswick River - New
Life on a cartrut - Brunswick River - New
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© All images Copyright 2026 Denis Riek. All rights reserved.
