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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 ScapeEasy
in Re: New member coming over from freshwater

ReefBase Lounge

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

Last post by A1
in Re: Tapatalk


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

Last post by Livvie
in Re: My aquascapes

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 ajm83
in Re: Mantis Shrimp Manor

Tank of the month

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

Last post by Carol
in Re: I know we are new but...

General Reef Keeping

General Reef Discussions

General non-specialised reefkeeping questions & discussions.

Last post by HK_Fuey
in Re: Substrate

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 Animal
in Re: Cloudy water next day


All reef chemistry related posts should go in here.

Last post by ajm83
in Re: Nitrate levels

Reefing News

Post links or information on any related reefing news.

Last post by Animal
in Re: Good news for once!

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 ajm83
in Re: Stunning soft coral reef tanks


General competitions on member chosen subjects.

Last post by DUSTYBOY272
in Re: Attempting free London Aquarium Tickets


Reefbase ID database

A database of common living things found in our reef tanks

Last post by Animal
in Re: Growing during fallow period

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 ajm83
in Re: What are these corals?

Marine Fish

General Marine Fish

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

Last post by ajm83
in Re: Goby

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 ajm83
in Re: Can anyone identify this disease/ fish killer?

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 TheJag77
in Re: Finally

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 TheJag77
in Re: Captive bred yellow tang

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 jackmyers200
in Re: My juvenile emperor angel


General Corals

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

Last post by TheJag77
in Re: I’m a lucky sod

Soft Corals

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

Last post by Ratvan
in Re: Is this the end or not

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 Animal
in Re: Mixing hammers

SPS Corals

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

Last post by ajm83
in Re: Hirsuta

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 Livvie
in Re: I don’t believe it wow

Marine Molluscs

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

Last post by A1
in Re: Conch snail

Marine Crustaceans

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

Last post by Livvie
in Re: Mixing shrimp

Marine Hardware


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

Last post by Ratvan
in Re: kessil a160we,no blue spectrum

Pumps and powerheads

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

Last post by Mike
in Re: Standing wave generation


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

Last post by ajm83
in Re: Power Back Ups


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

Last post by hixy
in Re: Sumping a lido for cheap.


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

Last post by Mike
in Re: IQuatics carbon any good?

Reef Photography


Show off your pictures of your reef.

Last post by ajm83
in Re: Some of my favourite photos from my first year in th...

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 Psychotic Madman
in Colour lens for dslr


Free to a good home

A board to advertise things you're giving away to fellow reefers.

Last post by Paddy
in Re: Free Livestock

For sale

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

Last post by Dayaji99
in Re: Tank Break Down

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 TheJag77
in Re: SP3000 dosing pump


A request board for marine fish, corals or equipment.

Last post by A1
in Re: Breeders Guide

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 badger
in Re: Aquatic log


Useful articles on the reefkeeping hobby.

Last post by ScapeEasy
in Re: All Marine Habitat Magazine Backissues Downloads

ReefBase - Info Centre

Forum Stats Forum Stats

76,714 Posts in 6,275 Topics by 5,205 Members.
Latest Member: BellaKornw
Latest Post: "Re: Mantis Shrimp Manor" ( Jan 20, 2022 9:05:47 pm )
View the most recent posts on the forum.

Reefers Online Reefers Online

983 Guests, 34 Reefers

Reefers active:
00777, MoseTrudel, ratty16, Moe321, Maxius, M0lly_98, dobequest, Fishpalace, eddyc, Ratvan, davechil, jam5971, trumpton_excursions, ajm83, chsound, Kickback, JW258, Nerijus Norvaisas, sajjad_50, old reefer, fatgoby, A1, biffobear50, Chad20056, mattynew52, jamie_stacey,, ScapeEasy, mightyhatter, alice01, Amo Manik, MattTucker, HK_Fuey, Dayaji99

Most Online Today: 1,069. Most Online Ever: 10,671 (Nov 29, 2019 6:20:30 am)

ReefBase Tip Jar

Donations of any amount really helps offset the running costs and are greatly appreciated by the forum’s team and every other member.

Recent Topics

Mantis Shrimp Manor by ajm83

My Evo 13.5. by Amo Manik

Andy's Reefer 250 by ajm83

New member coming over from freshwater by ScapeEasy

Amo's Tank thread by Amo Manik

Complete newbie but learning by Duncanht

Tank Break Down by Dayaji99

N&D custom marine aquarium and cabinet. by Amo Manik

List of corals /fish for sale by Amo Manik

Goby by ajm83

GlennF's DSR tank by glennf

Hi all, back again (I hear you all groan) by semiroundel

I’m a lucky sod by TheJag77

Cloudy water next day by Animal

Converting to Marine tank by TheJag77

Filter media by jamesgrainger120

Some of my favourite photos from my first year in the hobby by ajm83

Can anyone identify this disease/ fish killer? by ajm83

Substrate by HK_Fuey

Finally by TheJag77

Bored by Animal

Steve's Reef by Steve's Marines

Good news for once! by Animal

Clownfish by Animal

Emergency Doug by Animal

What are these corals? by ajm83

Conch snail by A1

Captive bred more hardy? by A1

Tapatalk by A1

Forum/website a bit slow? by TheJag77

Reef Keeping News

Good news for once! Dec 8, 2021 9:55:41 am by ajm83
Read More
Hawaiian university scale up tank bred yellow tang programme Feb 11, 2021 11:54:06 am by ajm83
Some good news for the sustainability of our hobby

And a vid of the babies nbsp
Read More
Amwell aquatics Oct 24, 2019 1:01:59 am by Animal
Just thought I'#039d let you know that amwell aquatics which is based at thornwood Essex will be closing down for good .they are moving all their stock to their other shop in Cambridg
Read More
Guppys oh my god. Oct 17, 2019 9:14:31 am by Animal
AS you all know I do love a challenge,I'#039ve got a friend in the USA that has set up a small test tank and has successfully acclimatised guppys to marine .
Why I don'#039t know lo
Read More
Another Palytoxin victim Aug 7, 2019 4:59:04 pm by ajm83
The adults, first hit by the toxins, spent one week in hospital. Katie'#039s three girls, who were asleep, were discharged the day after.

Katie added: "quotWe had gone
Read More
World Reef Day June 1st Jun 2, 2019 10:29:02 am by Gav
A little late , but thought I'd bring attention to this either way
Read More
Calcium and Mag testing May 16, 2019 7:02:28 pm by geordie
Saw this write up and thought i would share,a bit of a way to go but sounds promising. Made in the USA you can google images and further write ups.

We didn'#039t want to an
Read More
A.M Aquatics closed down Apr 19, 2019 2:35:30 pm by geordie
Hi a shame to see the above lfs has decided to call it a day,been shut a few weeks now. Always enjoyed a visit Ash and Alan always helpful, will be a miss.
Read More