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Posts by Kai The Fish Guy

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An amazing talk on mesophotic fish given by @kaithefishguy.bsky.social 😱 at #IPFC12 in Taiwan. So many new records for Australia from the deep(er) sea😍

10 months ago 20 7 0 0
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Pseudojuloides edwardi

Quite possibly the most beautiful wrasse in existence

10 months ago 141 22 0 2
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Black background fish photography are MY NACHOS.

1 year ago 138 25 2 2
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Blimey! Now THIS is a great goby!

Oxymetopon cyanoctenosum, the Blue-banded Ribbongoby.

1 year ago 86 12 0 0
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Yes I use all my annual leave every year to risk it all for pictures of literal INSECTS.

And I love it!

1 year ago 127 9 3 3
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Trogonoptera brookiana, Rajah Brooke’s Birdwing.

Malaysia’s national butterfly is quite a thing of beauty. Its black wings with emerald green feather-like markings, bright red head, and blue wing accents isn’t even its most remarkable feature. It’s probably the fact that it measures close to 15 cm

1 year ago 126 26 4 1
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Nemo found: dead in a ditch

1 year ago 22 2 0 0
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Gonna deep fry the holotype of NEMO

1 year ago 44 1 3 0
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Im posting dome dank sci comm memes on my insta story!

Available only for 24 hours. Go there and see!!

1 year ago 17 3 0 0
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PhD project in systematic ichthyology - Molecular Ecology, Evolution, and Phylogenetics Laboratory Institution: University of Sydney & Australian Museum Research InstituteLocation: Sydney, NSW AustraliaStart date: July 2025 or February 2026Supervisors:

Try this! And no we have not formally filled it yet.

aus01.safelinks.protection.outlook.com?url=https%3A...

1 year ago 1 0 0 0

Do that too! Honestly I’d love to have you here!

1 year ago 2 0 1 0

All you need is 3

1 year ago 1 0 1 0

Come move here!

1 year ago 2 0 1 0

Awww Brooke! Thank you 🥰🥰❤️

1 year ago 2 0 0 0
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PhD project in systematic ichthyology - Molecular Ecology, Evolution, and Phylogenetics Laboratory Institution: University of Sydney & Australian Museum Research InstituteLocation: Sydney, NSW AustraliaStart date: July 2025 or February 2026Supervisors:

See the link below for information on start dates, project scope, and details on how to apply:

aus01.safelinks.protection.outlook.com?url=https%3A...

1 year ago 42 22 0 0
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PhD opportunity:

I am looking for a PhD student to study taxonomy and systematics of labrid fishes and other coral reef taxa. Successful applicants will be jointly based at the University of Sydney and the Australian Museum Research Institute.

1 year ago 160 123 4 2
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The two specimens I have on loan here, including one paratype, are invaluable pieces of natural history.

1 year ago 37 1 1 0
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This is one of the most exciting loans I’ve ever unpacked. There are only seven specimens of Prognathodes guyotensis known from collections worldwide; three specimens in the type series, all from the Kyushu-Palau Ridge, and a further four from scattered localities across the Indo-Pacific.

1 year ago 74 2 2 0

Wow this post is riddled with typos.

Fortunate enough* to encounter..

Not* one but two..

1 year ago 5 0 0 0
A small bright yellow butterfly with red spots and stripes outlined with metallic blue scales.

A small bright yellow butterfly with red spots and stripes outlined with metallic blue scales.

A small bright yellow butterfly with red spots and stripes outlined with metallic blue scales.

A small bright yellow butterfly with red spots and stripes outlined with metallic blue scales.

A small bright yellow butterfly with red spots and stripes outlined with metallic blue scales.

A small bright yellow butterfly with red spots and stripes outlined with metallic blue scales.

A small bright yellow butterfly with red spots and stripes outlined with metallic blue scales.

A small bright yellow butterfly with red spots and stripes outlined with metallic blue scales.

Last weekend I was fortunate to encounter two female Yellow Jewel butterflies (Hypochrysops byzos) along a creek line about 45 minutes from Canberra.

This is a very elusive and one of the more difficult of the Australian Jewels to find, so finding bro one but two was an extra special treat.

1 year ago 44 1 1 0

DAMNNNN I LOVE THAT!!! THATS one of my favorite photos I’ve taken too! Thank you for showing me!

1 year ago 1 0 1 0

Ethan? If so, I don’t think so :(

1 year ago 1 0 1 0
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Cirrhilabrus cyanogularis!

1 year ago 48 8 0 1
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Watching The Boys and there’s a fish I named in one of the scenes!

Cirrhilabrus cyanogularis, the Blue-throat Fairy Wrasse. I described this species in 2018!

1 year ago 82 4 2 0
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October 2021 > January 2025

1 year ago 71 1 4 1
4 green and red wrasses with similar stripe patterns.

Clockwise from top left: Halichoeres cosmetus; H. ornatissimus; H. melanurus; H. claudia

4 green and red wrasses with similar stripe patterns. Clockwise from top left: Halichoeres cosmetus; H. ornatissimus; H. melanurus; H. claudia

Merry Christmas Wrasses!

Clockwise from top left: Halichoeres cosmetus; H. ornatissimus; H. melanurus; H. claudia

1 year ago 141 24 5 2

If getting cooked in the mountains til 6.30 pm and getting home by 8.30 pm is your thing then this insect is for you! ❤️

1 year ago 15 0 0 0
A small grey butterfly with brilliant red spots and bands outlined in metallic blue.

A small grey butterfly with brilliant red spots and bands outlined in metallic blue.

A small grey butterfly with brilliant red spots and bands outlined in metallic blue.

A small grey butterfly with brilliant red spots and bands outlined in metallic blue.

A small grey butterfly with brilliant red spots and bands outlined in metallic blue.

A small grey butterfly with brilliant red spots and bands outlined in metallic blue.

Hypochrysops delicia, the Moonlight Jewel

I’ve spent many unsuccessful summers over the last few years trying to find this species around the Sydney area. Turns out they’re around, but only at the top of the tallest peaks, in the furthest corner of the Blue Mountains, and only appear after 4 pm.

1 year ago 77 8 3 0
A small species of fairy wrasse (a type of fish) with bright red pendulous pelvic fins. The body is bicolored - black above, silver below. The head is chestnut orange and the tail is scintillating blue.

A small species of fairy wrasse (a type of fish) with bright red pendulous pelvic fins. The body is bicolored - black above, silver below. The head is chestnut orange and the tail is scintillating blue.

Cirrhilabrus hygroxerus, the Monsoon Fairy Wrasse

Two in two days! I’m feeling generous. Ok I’m gonna speed run this one.

Hygro = wet
Xeros = dry
Wet + dry = monsoon = weather profile of Darwin = type location of this species

1 year ago 81 9 0 1

That title is reserved for Cirrhilabrus roseafascia, with the deepest record we have occurring at 155 m!

1 year ago 10 0 0 0