# arctic polarweek polarweekart sciart shark cichlid cichlidologist anatomy comparativeanatomy ichthyology catfish amazon mississippi mekong nile sharkweek2020 gobyweek invertefest

For this week the round goby seemed appropriate. This small benthic fish have been introduced in the Great Lakes in 1993 probably by ballast water. Territorial and aggressive, it remodeled a lot of freshwater benthic communities.

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2020-09-21

My is off-topic for this week's theme, but it's what I wanted to paint for the first day of Polar Week.

Arctic cod under sea ice.

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2020-09-20

For an off-theme I posted two new friends on !!✨🦈💙 https://t.co/MLFssjTWM3

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2020-09-14

The brief this week was for a fish that you hadn’t heard of before.
In my reading up of Chondrichthyes I discovered Cladoselache fyleri who was a pre-Elasmobranch shark from the Devonian period.

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2020-09-14

So random function provided me the Yellow Spotted Catshark for this week a quite cute little shark who like to hag out in costal South Africa, down to 500m deep. New species learn, I guess the challenge is completed! ;)

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2020-09-13

For this I chose to do further research on an unknown cichlid. This is the Blunthead Chimba Red. Tropheus moorii is endemic to Africa’s Lake Tanganyika. 40 different color morphs are dispersed throughout the lake, ranging from dark green to flame red and yellow.

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2020-09-14

Two art challenges in one to cure artists block. - fish I’d never heard of. Viper dogfish. - draw this in your own style challenge. https://t.co/jJa7jvlx4F

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2020-09-13

For my nieces requested a very specific sketch...

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2020-09-07

For today's here's Neolamprologus brichardi: a from Lake Tanganyika named in honor of pioneer Pierre Brichard (1921-1990). N.brichardi is a rare ex. of cooperative breeding in fishes (helper individuals take care of other's offspring).

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2020-09-07

I've missed alot this year, which makes me sad. But, I've managed to add a new comp anatomy sketch to my growing diagram of fish jaws! Hydrolycus scomberoides - from Davato & Castro 2012.

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2020-09-07

An off-theme A series of Colored pencil on the sides of a cardboard box. 4 species, 4 river basins, 4 continents.

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2020-09-06

Really challenging this week, making a picture that fits within a random shape.
I went for something inspired by my own tank, a zebra danio swimming amongst rock and shell.

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2020-09-06

Today on I am featuring one of the most exuberant fishes out there. This free hand drawing was heavly inspired by Steve Huskey's work, featured on his book 'The Skeleton Revealed'. Can you guess who is this? 1/3

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2020-08-31

Not Sunday, not finished, but here a half way through two week old

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2020-08-24

My for featuring Stiphodon atropurpureus the Blue Neon Goby, one of the many colorful little freshwater gobies!

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2020-08-24

A yellow watchman goby and its pistol shrimp friend for theme (and

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2020-08-24

WIP paroon shark for despite the name, paroon sharks are not sharks at all, and instead very sizable catfish. I can say that it does somewhat resemble a certain filterfeeder...

Will be done by next Sunday- stay tuned.

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2020-08-17

I was so gutted when I realised that I had missed a shark themed last week; I’m now thrilled that I have another chance this week.
I didn’t want to give you anything too obvious so here’s the mysterious Caribbean Roughshark.

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2020-08-17

A Natal shyshark/eastern shyshark for this week. They live off the coast of South Africa and are critically endangered.

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2020-08-17