Viewing: Bony fishes
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 morePosted in Bony fishes, Sharks & Rays | By Steve Reynolds
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 morePosted in Algae, Bony fishes, Citizen Science, Coastal species, Dive Reports, intertidal zone, Marine invertebrates, Nudibranchs, Plants, sea urchins, Sharks & Rays, Species lists | By Steve Reynolds
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 morePosted in Bony fishes, Syngnathids | By Steve Reynolds
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 morePosted in Bony fishes, Marine aquaria | By Steve Reynolds
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 morePosted in Achievements, Bony fishes, Research | By Steve Reynolds
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 morePosted in Bony fishes | By Steve Reynolds
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 morePosted in Bony fishes | By Steve Reynolds
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 morePosted in Bony fishes, Mangroves | By Steve Reynolds
October 9, 2018
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 morePosted in Bony fishes | By Steve Reynolds
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 morePosted in Bony fishes, Marine invertebrates | By Steve Reynolds