๐Ÿ  Fish Compatibility Guide

Can Blue Tang and Yoyo Loach Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โŒ Not Compatible โ€” Compatibility Score: 0/100
0/100 โ€” Not Compatible

Blue Tang and Yoyo Loach Compatibility Overview

Blue Tang and Yoyo Loach are generally not recommended to be housed together. One of these is a marine species and the other is not; they cannot share one aquarium. Their pH ranges do not meet: Blue Tang wants 8.1โ€“8.4 and Yoyo Loach wants 6.0โ€“7.5. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for Blue Tang and Yoyo Loach
FactorBlue TangYoyo LoachVerdict
Temperature72โ€“82ยฐF66โ€“82ยฐFโœ… 72โ€“82ยฐF
pH Range8.1โ€“8.46.0โ€“7.5โŒ No overlap
Temperamentsemisemiโš ๏ธ Monitor
Adult Size12.0 in6.3 inโœ… Similar
Min. Group1+5+See below
Min. Tank Size100 gallons (for both species)โ€”

Compatibility Positives

A stable shared temperature range is available.

Incompatibility Reasons

One of these is a marine species and the other is not; they cannot share one aquarium.
Their pH ranges do not meet: Blue Tang wants 8.1โ€“8.4 and Yoyo Loach wants 6.0โ€“7.5.
Both are semi, so give them a larger, well-planted tank and watch how they settle in.

Species Profiles

Blue Tang โ€” Paracanthurus hepatus

Blue Tang and Yoyo Loach compatibility โ€” Blue Tang

The Blue Tang is a popular saltwater fish known for its vibrant blue color and yellow stripes. These fish are generally peaceful and can be kept in a community tank with other non-aggressive species. They require a well-maintained, spacious tank with plenty of swimming space and hiding spots.

โ†’ Full Blue Tang care guide

Yoyo Loach โ€” Botia almorhae

Blue Tang and Yoyo Loach compatibility โ€” Yoyo Loach

The Yoyo Loach is a popular freshwater species known for its striking black and white coloration. They are peaceful and make great community fish, though they may be shy and require a well-established tank with ample hiding spots. These loaches are moderately active and do well in a tank with plenty of room to swim.

โ†’ Full Yoyo Loach care guide

Frequently Asked Questions

Can Blue Tang live with Yoyo Loach?

Generally not recommended. Blue Tang and Yoyo Loach are generally not recommended to be housed together. One of these is a marine species and the other is not; they cannot share one aquarium. Their pH ranges do not meet: Blue Tang wants 8.1โ€“8.4 and Yoyo Loach wants 6.0โ€“7.5. Review the behavior and water details before deciding whether to attempt the pairing.

What tank size do I need for Blue Tang and Yoyo Loach together?

A minimum of 100 gallons is recommended for keeping Blue Tang and Yoyo Loach together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Blue Tang and Yoyo Loach?

72โ€“82ยฐF โ€” inside Blue Tang's 72โ€“82ยฐF and Yoyo Loach's 66โ€“82ยฐF.

Is a Blue Tang aggressive toward a Yoyo Loach?

Blue Tang is semi and Yoyo Loach is semi. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Blue Tang and Yoyo Loach

Use the scenario that matches the actual group sizes and temperament you plan to keep.

ScenarioTankWhen it applies
Minimum viable180 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community300 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup350 galBest when keeping larger schools or reducing territorial pressure.