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ReefBase Reef Quiz

Play the ReefBase Reefing Quiz!

20 Questions from easy to not-so-easy. Have fun & good luck!

Example Question: Stripped and spotted Mandarinfish are types of:


ReefBase is a Marine Fish keeping & Coral Reef Aquarist Community Forum based in the UK. Join ReefBase for help & advice or to contribute your own knowledge & experience of keeping a Marine Coral Reef Aquarium.

Create an account (It's quick & easy)



If you're new to ReefBase, come and introduce yourself.

Last post by nikvik1
in Re: Back again!

ReefBase Lounge

General off-topic chat and discussions. Be yourself & join-in.

Last post by fr499y
in Re: What else is everyone into?


A general board for the discussion of freshwater fish, tanks and freshwater specific equipment, such as CO2 kits, etc.

Last post by parkerthomas
in Re: Interesting fish suggestions for a nano

Members Tanks

Browse our members' tank threads, view progress and pictures, or create your own thread to track the progress of your own reef aquarium.

Last post by Gavin87
in Re: Gavin87's Tank

Tank of the month

Monthly competitions on member's tanks. Enter pictures of your tank and / or vote on others'.

Last post by Marty
in Re: TOTM September 2016 - voting

General Reef Keeping

General Reef Discussions

General non-specialised reefkeeping questions & discussions.

Last post by fr499y
in Shirley Aquatics new store

Beginners Questions

If you're new to the hobby, please ask any questions you have, rather than making the mistakes we've all made.

Last post by semiroundel
in Re: RO hard or soft water?


All reef chemistry related posts should go in here.

Last post by ajm83
in Re: high zinc, high copper - best way to fix?

Reefing News

Post links or information on any related reefing news.

Last post by Gav
in imperiled treasure , a coral reef called Varader

Stunning Reef Tanks

A collection of the most beautiful reef aquariums from anywhere on the net. Post links and a brief summary of what captivated you most by the tank. Inspiration for us all.

Last post by HK_Fuey
in Re: David Saxby reef


General competitions on member chosen subjects.

Last post by HK_Fuey
in Xmas photoshop challenge


Reefbase ID database

A database of common living things found in our reef tanks

Last post by Gav
in [BAD] Teddy Bear Crab

ID needed

Need help identifying something? Post a photo, video, and/or description and we'll do our best to help you out.

Last post by Mike
in Re: The hell is this?

Marine Fish

General Marine Fish

A general board for all Marine fish, for Marine Fish identification, and general discussion.

Last post by fishface
in Re: What friendly fish would you have in a softies only ...

Marine Fish Diseases

A board for threads related to marine fish diseases including; White Spot (Ich), Brooklynellosis (Anemonefish Disease), Marine velvet, black spot, HLLE, Fin Rot, etc. Their diagnosis and treatment.

Last post by HK_Fuey
in Re: Valentini Puffer

Clownfish & Damselfish

Clownfish and other Damselfish, including Clarkii Clownfish, Common Clownfish (Nemo), Skunk Clownfish, Electric Blue Damselfish, Domino Damselfish are in this category.

Last post by HK_Fuey
in Re: Clownfish set up help needed

Tangs / Surgeonfish

Discussions regarding Tangs aka Surgeonfish. Fish such as Yellow Tangs, Regal Tangs (Dory), Naso Tangs, Clown Tangs, etc fall into this category.

Last post by fishface
in Re: Adding yellow tangs

Angelfish (Large & Dwarf)

For topics about Angelfish & Dwarf Angelfish. For Fish such as the Queen Angelfish, Emperor Angelfish, Coral Beauty & Flame Angel.

Last post by Marty
in Re: Emporer anglefish


General Corals

A general board for all Corals & Anemones, for Coral identification, and general discussion.

Last post by Dean69
in Re: Mushroom care

Soft Corals

Soft corals. Corals without a skeleton. These include Leather Corals, Pulsing Xenia, Zoanthids, Mushrooms, etc.

Last post by fr499y
in Re: Mushroom coral help?

LPS Corals

Large polyp stony corals. Any corals with a calcium based skeleton, and large polyps which extend out to completely conceal the skeleton beneath.

Last post by ajm83
in Re: Can i trim LPS?

SPS Corals

Small polyp stony corals. More advanced corals which have calcium based skeletons and small polyps.

Last post by fr499y
in Re: Birdsnest,very easy to keep and frag

Azooxanthellate / Non-Photosynthetic Corals

Azooxanthellate or non-photosynthetic corals do not require much if any light to survive. They include Gorgonians and Sun Corals.

Last post by Debbiem
in Re: Whats happening to my sun coral?


Marine Invertebrates

A board for marine reef invertebrates.

Last post by HK_Fuey
in Re: Show us your favourite invert

Marine Molluscs

Marine gastropod molluscs including; Seahares, Turbo snails, Nassarius snails, and predatory snails such as Sundial snails & some Nudibranchs.

Last post by Gav
in Re: Berghia Verrucicornis

Marine Crustaceans

Marine Crustaceans as in Porcelain crabs, Mithrax crabs, cleaner shrimps, blood shrimps, boxer shrimps, etc.

Last post by fr499y
in Re: Possible rogue cleaner shrimp

Marine Hardware


Discussions surrounding marine & reef lighting, Metal Halides, CFLs, T5s or LEDs.

Last post by Shain Hunton
in Re: Lights... hit me...

Pumps and powerheads

Pumps for returns/skimmers/reactors/etc. & powerheads/wavemakers/etc. You get the idea ;-)

Last post by Gav
in Re: Stopping things getting sucked into Powerheads


A board for more specialised equipment such as dosing pumps, kalkwasser stirrers, calcium reactors, etc.

Last post by Mike
in Re: Doser tube termination


Marine Hardware Do-It-Yourself. A board containing topics about building & customising your own equipment.

Last post by kop_04
in Re: DIY macro algae reactor


Discussions about Filtration, protein skimmers, uv sterilisation, ozone usage, nitrate reactors, biopellets, etc.

Last post by Asco1104
in Re: Advice please ...Recycling live rock and cutting too...

Reef Photography


Show off your pictures of your reef.

Last post by hixy
in Re: some pics of tank today

Photography Advice & Tips

If you need help getting good photos of your marine tank, fish or corals. Ask for advice here, please include camera model, as it helps to understand what features are available to you.

Last post by Gav
in Re: How to get good picture of corals??


For sale

A board to advertise your reefing equipment and livestock for sale.

Last post by fr499y
in Re: Collection WMid LPS, SPS, Softies, Inverts, Fish & L...

Swap Shop

A swap shop. A place for ReefBase members to offer frags, Corals, Zoanthids, Fish or equipment in exchange for other items.

Last post by SnowAddict
in Re: I've got a ton of marine equipment to swap- anyone f...


A request board for marine fish, corals or equipment.

Last post by NeoReefer
in Re: Wanted Ro system

Reef Keeping Suppliers

Become a Supplier

There's no sponsorship model on ReefBase. For members it means there's no bias towards vendors who are supporting the forum financially, so everyone is free to talk openly about products, whether they're a supplier here or not. For you it means there's no fee, and you can advertise your products or service and interact with UK Reefkeeping hobbyists.


iQuatics Online is the UK’s leading supplier of innovative aquarium lighting products.

Last post by iQuatics-Online
in Universal Hanging Bar Offer

Reef Perfect

Reef Perfect is the UK’s leading supplier of aquarium cooling and control products for private and commercial customers alike.

Last post by Mike
in Re: Hows it going ReefPerfect?


Fistafiltration specialise in acrylic aquarium manufacture, and filtration such as sumps and reactors. FistaFiltration has been supplying acrylic tanks and products for over 20 years.

Last post by fizzy
in Re: fish display


MailOrderCorals are one of the leading suppliers of Marine Corals and Inverts in the UK. With over 4,000 Corals & Inverts ready for delivery direct to your door with our live arrival guarantee.

Last post by T-Bone Tyrone
in Re: Holiday

RO World

A UK supplier of high quality aquarium RO units. With a vast range of reverse osmosis accessories at unbeatable prices with quick delivery.

Last post by Asco1104
in Re: Cartridges needed for Kent Marine Hi-S (the Maxxima ...


Fishmansfrags has been a market leader of UK mail order marine corals, frags and livestock since 2005 and is possibly the most popular and best priced retailer of marine corals and critters online today!

Last post by fishmansfrags


Reefphyto Ltd is a reliable source of quality Live Phytoplankton, Rotifers, Copepods (Zooplankton) all cultured and grown at our premises in the UK.

Last post by HK_Fuey
in Re: Live Food Discount for ReefBase Forum Subscribers


We are suppliers of marine fish, coral, inverts and tank equipment. Using the equipment we also sell helps us to understand the customers requirements in maintaining a healthy aquarium.

Last post by marinefarm
in UK sole distributor of Evergrow LED lighting

Aquarium Plumbing Ltd

We specialise in UPVC aquarium plumbing and fittings. All of our aquarium plumbing is fish and invert safe and can be used in fresh or salt water systems. We supply imperial and metric systems which are compatible with Deltec, Aqua Medic and any other European equipment.

Last post by Mike
in Re: Welcome to Aquarium Plumbing Ltd - our newest suppli...


Our marine products are both high quality and user friendly and have just one goal - to produce a successful healthy marine aquarium with stunningly beautiful corals and fish

Last post by ajm83
in Re: Metals+, iron level drops quickly

Reefing Tools & Articles


A board for how-to guides on any area of the reefkeeping hobby.

Last post by T-Bone Tyrone
in Re: How to wire an STC1000 temperature controller with 2...


A board for polls to appear on homepage

Last post by T-Bone Tyrone
in Re: How often do you feed?


Dosing calculators, tank size calculators, etc.

Last post by Carol
in Re: Aquatic log


Useful articles on the reefkeeping hobby.

Last post by HK_Fuey

ReefBase - Info Centre

Support ReefBase

We don't display ads, and suppliers of the forum don't pay us a penny.

Any donation of any amount really helps offset the running costs.

Recent Topics

DIY macro algae reactor by kop_04

high zinc, high copper - best way to fix? by ajm83

Back again! by nikvik1

Return to marines after 30 years by HK_Fuey

Collection WMid LPS, SPS, Softies, Inverts, Fish & Live Rock - Closing down by fr499y

New To Marine - First Tank by Asco1104

TMC signature 450 by tomjmcd

Gavin87's Tank by Gavin87

RO hard or soft water? by semiroundel

Shirley Aquatics new store by fr499y

Urgent help Bubble Magus 5 P Skimmer stopped by fr499y

What else is everyone into? by fr499y

FREE fish, good home needed by semiroundel

Fr499y's 4 footer mixed reef - Now 3 foot! by fr499y

Brand new clownfish has white lump on side of his/her face. by Gav

Newbie Chick needing advice by Julesreef

What is this algae by Gav


New to the forum by Darren Cooper

Best power head by Eluned

The hell is this? by Mike

Mushroom care by Dean69

Marty's Reef Tank by Shain Hunton

StKilda's ReefPro 1200 by HK_Fuey

sump design / baffled by baffles by HK_Fuey

How to get good picture of corals?? by Gav

Paddy's first marine tank by Paddone

Hertfordshire hello by Mike

Universal Hanging Bar Offer by iQuatics-Online

To claim, or not to claim? by Paddone

Long time no sea by Graham1426

Tims first and last upgrade by Asco1104

Reef Keeping News

Marine shows in the UK Sep 14, 2017 10:15:34 pm by Heather Domrow
Are there any shows open to the public at places like the NEC or Earls Court for marine fish/coral keeping? Thanks.
Read More
Belize coral reef restoration Aug 22, 2017 2:45:48 pm by Gav
Read More
Robotic Deep Sea Explorer Uncovers Treasure Trove of Freaky Marine Life Aug 8, 2017 11:46:50 am by HK_Fuey

Read More
Pilot whale stranded N Kessock Aug 8, 2017 9:23:15 am by Gav
Pilot whale stranded at North Kessock has to be put down
Read More
Killer amphipods attack!!! Aug 7, 2017 4:20:03 pm by HK_Fuey

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Giant Sunfish Jul 24, 2017 10:43:27 am by Gav
Meet the new giant sunfish that has evaded scientists for centuries

Read More
Skimmer air gauge for tuning Jun 5, 2017 11:08:36 pm by Asco1104
Might be a gimmick but is interesting

Read More