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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.

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

Last post by Asco1104
in Re: Hello! New reefer still in planning phase


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 Gav
in Re: Gav's Aqua Oak

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 garethwood
in Re: salvageable?

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 mo0kster
in Re: Please help, stuff in my tank is dying!


All reef chemistry related posts should go in here.

Last post by ajm83
in Re: Low dKH - is it a problem?

Reefing News

Post links or information on any related reefing news.

Last post by fishface
in Re: Are super corals going to form the next gen of reef

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 Carol
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 Re: [BAD] Aiptasia

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 Russell
in Re: Hydroid?

Marine Fish

General Marine Fish

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

Last post by fr499y
in Re: What fish am I

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 Asco1104
in Re: What is happening with my tank?!

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: Damsel behaviour

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 jordanweasel
in Plate coral problem

Soft Corals

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

Last post by HK_Fuey
in Re: Buying online

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 Kelf
in Re: Damaged acan

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: Finally Watched Halloween Hermit changing shells

Marine Molluscs

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

Last post by Carol
in Re: Living Dangerously

Marine Crustaceans

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

Last post by rusty_uk
in Re: Shrimp molt- not a dead shrimp.

Marine Hardware


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

Last post by Asco1104
in Re: Lights... hit me...

Pumps and powerheads

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

Last post by fishface
in Re: recommendation powerhead/s


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

Last post by Gav
in Re: Doser tube termination


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

Last post by chilliman
in Re: temp controller


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

Last post by fishface

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 Jessica
in Re: What camera to buy?


For sale

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

Last post by Mike
in Re: Full marine 55 gallon setup for sale, custom oak sta...

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 patters19781
in Re: Green and red polyps


A request board for marine fish, corals or equipment.

Last post by scotsco
in Dead or live rock (west mids/ South staffs)

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 Mike
in Re: iQuatics Carbon


Reefloat Auto Aquarium Products

Last post by reefloat

UK Marine Lighting

The UK's Marine LED lighting specialists. Providing quality LED lighting to suit all budgets & aquariums.

Last post by fishface
in Re: UK Marine Lighting

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 Marty
in Re: Some advice please


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 Colombo
in New Marine Reef Test Lab from Colombo


Cutthroat Corals are a mail order company that imports corals from all over the world. We strive to bring you a mixture of LPS, SPS and soft corals of all grades.

Last post by Steve's Marines
in Re: Welcome to our newest supplier Cutthroatcorals

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

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Recent Topics

Gav's Aqua Oak by Gav

Please help, stuff in my tank is dying! by mo0kster

Paddy's first marine tank by Paddone

Hydroid? by Russell

Jelly/Spongy looking growth under rock by HK_Fuey

Algae or coralline? by damienpbuckley

salvageable? by garethwood

temp controller by chilliman

Lights... hit me... by Asco1104

Hello! New reefer still in planning phase by Asco1104

How's every getting on the HOT weather? by Paddone

New member... hello :) by Mike

My new tank by Jamthemackem

Full marine 55 gallon setup for sale, custom oak stand etc by Mike

New lighting by Gav

Marty's Reef Tank by HOW3Y

Aqua One G220 Protein Skimmer by ChrisHibs

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

Tims first and last upgrade by Asco1104

Salty Revolution... anyone been? by Mike

Dealing with flatworms on new frag by HK_Fuey

ady,s 52x48x24 upgrade by fishface

FOR SALE T5 Overtank 6 tube light by JK7581

ACAN coral care by JK7581

HI by reefloat

GlennF's DSR tank by glennf

Plate coral problem by jordanweasel

How to get good picture of corals?? by HOW3Y

*For Sale* seriatopora guttatus & other SPS by fr499y

Bubble Magus Q3 Skimmer by fr499y

Tube appears out of coral by Jamthemackem

The fuglies.... by HK_Fuey

AWC26 Auto Water Changer - Reefbase Donation Auction! by fr499y

API Reef Master Test Kit by Phalanx

SnowAddicts Redsea Max Nano by fr499y

Whats happening to my sun coral? by Debbiem

Reef Keeping News

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

Read More
Protein From Mussel Glue Used To Help Prevent Scarring May 17, 2017 8:57:08 pm by HK_Fuey
There has been a lot of interest, but little progress, in helping wounds heal without scar tissue. One of the main issues to overcome is the abnormal reorganization of
Read More
Vinegar offers hope in Great Barrier Reef starfish battle Apr 27, 2017 9:04:54 am by Gav
Vinegar offers hope in Great Barrier Reef starfish battle
Read More
Clouds could save barrier reef Apr 25, 2017 6:47:19 pm by Gav
Read More