Viewing: Bony fishes

Oct 28

October 28, 2019

A Study of Melanism in the Black Manta Rays of the Indo-Pacific

A Study of Melanism in the Black Manta Rays of the Indo-Pacific by Steve Reynolds Melanism is “darkening of body tissues caused by excessive production of melanin, especially as a form of colour variation in animals”. I know that black manta rays in the Indo-Pacific does not relate to South Australian marine life at all, but I read a report... Read more

Posted in Bony fishes, Sharks & Rays | By

Sep 26

September 26, 2019

Species sighted at Witton Bluff & Christies Reef

Species sighted at Witton Bluff & Christies Reef by Steve Reynolds As reported in My Early Diving Days , Witton Bluff is the high point on the coast between Port Noarlunga and Christies Beach. It is named after the 1839 wreck of the David Witton. I did my first sea snorkel there in January 1978. I returned there later that year with... Read more

Posted in Algae, Bony fishes, Citizen Science, Coastal species, Dive Reports, intertidal zone, Marine invertebrates, Nudibranchs, Plants, sea urchins, Sharks & Rays, Species lists | By

Mar 17

March 17, 2019

Concerns About the Welfare of Leafy Seadragons at Rapid Bay

Concerns About the Welfare of Leafy Seadragons at Rapid Bay by Steve Reynolds The Scuba Divers Federation of South Australia recently issued a statement because of concerns about the welfare of leafy seadragons at Rapid Bay in light of increased diver activity whilst waiting for new steps to be built at the Port Noarlunga jetty. The statement read: – “With... Read more

Posted in Bony fishes, Syngnathids | By

Feb 14

February 14, 2019

The Observed Behaviour of a Mating Pair of Krefft’s Frillgoby in an Aquarium

The Observed Behaviour of a Mating Pair of Krefft’s Frillgoby in an Aquarium by Steve Reynolds (as told to him by Dion Clarke) Dion Clarke‎ recently posted this photo on the SA Natureteers Facebook page: – It was accompanied by the comments: – “Yesterday, we noticed an orange fish in our seawater aquarium, (we don’t have an orange fish). It... Read more

Posted in Bony fishes, Marine aquaria | By

Feb 10

February 10, 2019

Scientists believe that they have proven that fish are ‘self-aware’

Scientists believe that they have proven that fish are ‘self-aware’ by Steve Reynolds Because of my interest in fish behaviour, and a desire to learn all about fish cleaning behaviour as a part of that, I was very interested to read a recent newspaper report regarding cleaner wrasse. The report only featured in The Advertiser during February 2019, even though... Read more

Posted in Achievements, Bony fishes, Research | By

Jan 17

January 17, 2019

More Fish Behaviour Reports Are Coming Through

“More Fish Behaviour Reports Are Coming Through” by Steve Reynolds Since writing Blennies Found Mating in January, more information has been coming through to me regarding fish behaviour. Ralph Kinasz recently reported having built up a relationship with a ringed toadfish, Omegophora armilla. “The relationship I built with this fish was quite awesome,” he said, “but the tale is also... Read more

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Jan 6

January 6, 2019

Blennies found mating

“Blennies found mating” by Steve Reynolds During a dive at Second Valley, my buddy pointed out a pair of jumping blennies, Lepidoblennius marmoratus, sharing a loving embrace on the cliff face out on the headland. I proceeded to take a series of photos of the two blennies.  A large male would not leave the side of a smaller female. I... Read more

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Dec 31

December 31, 2018

Sand ‘Spawning Sites’

“Sand ‘Spawning Sites’ ” by Steve Reynolds I learned a bit about fish spawning sites over the Christmas/New Year break, after buying a DVD of Big Pacific with one of my birthday gift cards. Big Pacific was a four-part TV series that aired in 2017. My DVD is a two-disc set which includes a “behind the scenes” chapter. I was... Read more

Posted in Bony fishes, Mangroves | By

Oct 9

October 9, 2018

Sunfish approaches the surface in a horizontal position

A Summary of Recent Sunfish Sightings in the Encounter Bay/Waitpinga Cliffs Area

Sunfish sightings continued in the Waitpinga Cliffs area after the posting of my article Sunfish Sightings in the Encounter Bay/Waitpinga Cliffs Area. I thought it would be worthwhile summarising those sightings, like Dan Monceaux started doing in his article Sunfish sightings in South Australia. Dan had plans to upload those historic sighting accounts to the Atlas of Living Australia “so... Read more

Posted in Bony fishes | By

Aug 7

August 7, 2018

Cleaner Shrimp Study

I found these details online (at https://www.nationalgeographic.com/animals/2018/07/animals-fish-shrimp-health-communication/?cmpid=org=ngp::mc=crm-email::src=ngp::cmp=editorial::add=inside_20180806::rid=7315819595) via a National Geographic email: – It is an article titled “Secret Code Prevents Cleaner Shrimp from Becoming a Meal” and it was written by Liz Langley (Published July 7, 2018). It came with a sub-title of “Reef shrimp and their fish clients use special signals that communicate cooperation, a new study says”.... Read more

Posted in Bony fishes, Marine invertebrates | By