PELAGIC AND NEUSTONIC
Apart from a few mollusc species that were found stranded on the beach, the species on this and the following page were found in the river. The image below shows the area, marked in red, where eddies form on a rising tide, allowing planktonic species to be easily collected from the rock walls during daylight hours.
It has been 6-7 years since these animals have occurred in the river in the large numbers that they once did, in fact they are hardly seen at all lately. They possibly do come in on the night tide but there is little evidence on the beach in the mornings to show their presence. Jellyfish that were once regularly cast up on the beach or encountered in the surf are now uncommon here. The cold-water currents and upwellings that once brought in the plankton are a rarity lately, with the warmer water being fairly constant over the last few years.
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CNIDARIA Versuriga anadyomene
Catostylus mosaicus
Species?
Bazinga rieki
Phyllorhiza punctata
Chrysaora wurlerra
Pelagia noctiluca
Aurelia sp
Aurelia sp
Species?
Species?
Thysanostoma sp
Linuche sp
Cyanea barkeri
Abylopsis eschscholtzii
Bassia bassensis
Sphaeronectes koellikeri
Lensia sp
Porpita porpita
Velella velella
Diphyes dispar
Proboscidactyla tropica
Nanomia bijuga
Physalia physalis
Frillagalma vitzayi
Diphyes chamissonis?
Diphyes chamissonis
Clytia sp
Aequorea sp?
Eutonina ceylonensis
Bougainvillia sp
Species?
Aequorea sp
Cunina peregrina
Aequorea pensilis?
Species?
Aequorea sp
Aequorea sp
Enneagonum hyalinum
Species?
Coryne sp
Species?
Species?
Species?
Aequorea sp
Species?
Eucheilota menoni
Species?
Species?
Species?
Species?
Paralovenia sp?
Species?
Species?
Species?
Narcomedusae
Obelia sp
Solmaris sp
Eutima mucosa
Zygocanna buitendijki
Amphogona apsteini
Species?
Halitiara sp?
Eirene hexanemalis
Corymorpha sp
Solmundella bitentaculata
Minyas sp
Laodicea sp
Aequorea sp
Laodicea sp
Species?
Laodicea sp
Liriope tetraphylla
Olindias malayensis
Cytaeis sp
Forskalia sp
Narcomedusae
Species?
Cytaeis sp
Koellikerina sp?
Species?
Coryne eximia
Species?
Eutonina sp?
Staurodiscus sp
Species?
Turritopsis lata
Coronatae?
Eutima sp
Proboscidactyla sp
Rhopalonema velatum
Aglaura hemistoma
Chrysaora kynthia
Bougainvillia sp?
Aglaura sp
Species?
Species?
Ephyra stage medusa
Euphysa scintillans?
Ephyra stage medusa
Sarsia sp
Bougainvillia aurantiaca
Species?
Species?
Species?
Species?
Rhizophysa filiformis
Geryonia proboscidalis
Zygocanna sp
Stauridiosarsia sp
Laodicea fertilis
Species?
Carybdea sp
Carybdea rastonii
Nausithoe sp
Aequorea sp?
Merga violacea
Corymorpha bigelowi
Ectopleura sp
Phialella quadrata
Melicertissa clavigera
Eirene tenuis
Cirrholovenia tetranema
Abylopsis tetragona
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© All images Copyright 2024 Denis Riek. All rights reserved.
