Live fish · WA only
Siamese Algae Eater (Crossocheilus oblongus)

A hard working algae eater that grows big, so plan the space.

Care levelEasy, a great first fish
EasyModerateExpert
Water temperature24 to 28°C
18°C32°C
Adult size14cm
LivesBottom to middle
DietOmnivore
SuitsLarger tanksPlanted tanks

Siamese Algae Eater

Crossocheilus oblongus4.4(26)reviews
Easy carePeaceful
$14.95each, incl. GST

Buy 5 or more of this fish and save 10%.

14 in our tanksShips Tue or Wed
Live fish delivery, WA only$35 Perth metro and Mandurah, $65 rest of WA. One fee covers your whole order, plants and dry goods included. Sent overnight on Tuesdays and Wednesdays to a street address (no PO Boxes).
Free pickup in KenwickOpen Tue to Sat, 12pm to 6pm

A hard working algae eater that grows big, so plan the space.

Care levelEasy, a great first fish
EasyModerateExpert
Water temperature24 to 28°C
18°C32°C
Adult size14cm
LivesBottom to middle
DietOmnivore
SuitsLarger tanksPlanted tanks

Pairs well with this fish

Picked by our team to go with this.

Fritz Complete Water Conditioner 236ml/8oz $24.95
Sera Flora Flakes From $10.95
Ambulia $5.00
About this fish

Siamese Algae Eater is one of the best natural algae controllers for planted aquariums.

Why you will love it

  • Excellent algae eater (incl. black beard algae)
  • Active and useful species
  • Approx size: 12–15 cm
  • Hardy and adaptable
  • Great for maintenance tanks

Care requirements

  • Care level: Easy
  • Adult size: 12–15 cm
  • Temperature: 24 to 28 °C
  • pH: 6.0 to 7.5
  • Swimming level: Bottom/Mid
  • Minimum group size: 1–3

Feeding: Algae plus supplemental foods.
Compatibility: Peaceful but active.
School of Scape quality: We select healthy fish and recommend gradual acclimation and stable parameters for best results.

How your fish arrive

Packed in oxygen filled bags inside an insulated box and sent overnight by air express on Tuesdays and Wednesdays.

Live arrival

8 hour live arrival guarantee. If a fish arrives dead or clearly stressed from transit, contact us within 8 hours of delivery with photos of the fish in the original sealed bag, and we will replace or refund it. Freight is not refundable, and someone needs to be home to accept the delivery. Remote far north WA (Gascoyne, Pilbara and Kimberley) is sent at your own risk.

Read the full policy

Delivery and returns

Free delivery over $100 in WA and $150 elsewhere in Australia. Free pickup from our Kenwick store, Tue to Sat, 12pm to 6pm.

Returns policy

  • 5 stars: 15 (58%)
  • 4 stars: 7 (27%)
  • 3 stars: 4 (15%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
n
nishan Wijesinghe

Grate, doing well excellent eaters of algae.

A
Aleisha Hill
Healthy and active

Arrived in great condition, all swimming happily within an hour of acclimating. Colours are even better than the photos. Really happy with the whole experience.

A
Anna Ward
Great little fish

Bright, active and curious. Always interested in feeding time.

J
Jasmine Gibson

Beautiful colouring

A
Aria Knight
Very happy

Came packed beautifully with heat pack and plenty of oxygen. Acclimated over an hour and they're thriving. Highly recommend.

P
Pete Banks
Love them

Such characters. Always grazing or out the front of the glass.

I
Imogen Morgan
Good size and health

Decent size on arrival, no signs of stress and acclimated without issues.

M
Mikayla Ross
Quality stock

Clearly bred and raised properly. No deformities and they ate straight away.

A
Anna Turner
Very pleased

Exactly what I was after for my aquascape. Active, colourful and clearly healthy. Acclimation was easy with no losses.

T
Tracey Ward
A1

Healthy, hardy and gorgeous.

B
Belinda Young
Great cleanup crew

Constantly grazing and keeping the algae down. Healthy on arrival and settled in quick.

A
Aaron Page
Perfect addition

Added these to my community tank and they fit right in. No aggression, great colour, and the delivery was quick despite living regionally.

C
Charli Shaw
Impressed

Better than my local store by a mile. Quality you can see straight away.

A
Aleisha Patel
Will order again

Second time buying and just as good as the first. Reliable seller, good communication, healthy livestock.

S
Sam Patel
Stunning fish

Wow. Just wow. These settled into my planted tank straight away and are constantly out and about. Packaging was spot on too.

K
Kobe Phillips
Good experience

Smooth ordering and the fish were healthy on arrival. Took a couple of days to settle but totally normal.

N
Nicole Foster
Great

Lovely little fish, very active.

L
Levi Dixon
All survived transit

Every single one made it through delivery in great shape. Carefully bagged and double boxed.

B
Blake Morgan
Excellent service

Had a small concern about timing and the team responded quickly and sorted it out. Fish arrived perfect.

H
Hayden Marsh
Recommend

Quality fish at a fair price. Will buy again.

L
Levi Pearce
Thriving

A few weeks in and they've coloured up beautifully. Eating everything and very active.

A
Archie Scott
Great seller

Communicative and clearly cares about the animals. The fish reflect that.

M
Mitchell Ellis
Colours came through

A little pale on arrival from transit but coloured up stunningly within days. So glad I bought these.

L
Lachlan Newman
Schooling beautifully

Got a group and they shoal together constantly. Such a great look in my display tank.

E
Ethan Reed
Top quality stock

You can really tell these are well looked after before shipping. No stress marks, no clamped fins, just healthy fish. Consistent quality every time.

E
Ethan Burton
No complaints

Healthy fish, fair price, packed with care. Exactly what you want.