Yellow Wrasse — Halichoeres chrysus Useful pest-controller. Peaceful and active. Quick facts Size: 10–12 cm Temperament: Peaceful, curious Reef-safe: Yes, with caution around tiny shrimp and snails Minimum tank: 200–250 l (55–65 gal) Cover: Tight, jump-proof...

The Bluestreak Cleaner Wrasse, occurs singly, in pairs, and in groups. This unique fish forms a symbiotic relationship with other species by setting up a "cleaning station" to remove unwanted parasites that may have attached...

Care Blue Cheek gobies like to excavate Burrows Underneath coral bases or rocks, so be sure that any structures are secure, and that there is a good depth of (live) sand in most parts of...

Saapunut 29.10.2025 Aiptasia-Eating Filefish — Acreichthys tomentosus Effective pest control with risks. Reef-safe with caution. Quick facts Size: 7–9 cm Temperament: Generally peaceful; can nip Reef-safe: With caution (zoas, LPS, clams at risk) Minimum tank:...

Eat frozen food. The secretive Spotted Mandarin should only ever be added to a well established Reef tank, where there will be plenty of live rock and live substrate that supports its natural diet of...

The Diamond Watchman Goby is also commonly referred to as the Pretty Prawn, Maiden, Orange Spotted Diamond, Orange-dashed, or Orangespotted Sleeper Goby. It was first discovered in the Indo-Pacific Ocean in 1956 by Tomiyama. The...

Male

Firefish — Nemateleotris magnifica Peaceful, shy dartfish. Jumps. Quick facts Size: 7–9 cm Temperament: Peaceful, timid Reef-safe: Yes Minimum tank: 20–30 gal / 75–115 l (single); larger for a bonded pair Cover: Tight, gap-free lid...

Little foxes

Ecsenius midas, commonly known as the Persian blenny, is a small blenny. Their base color ranges from grey-greenish to golden orange and some are even blue. The eye is a nice color of blue and...

Male The Multicolored Lubbock's Fairy Wrasse is also known as the Lubbock's Fairy Wrasse. The male has a bright yellow and red body with blue, brown, and white ornamentation. The females generally do not have...

Cryptocentrus cinctus, commonly known as the Yellow prawn-goby, is a small bottom-dwelling goby. Their body is yellow with very tiny blue spots on their head and in their fins. But these fish are not only...

Chicks Engineer Gobies go by a few names, including Convict Goby and Convict Blenny. This adds to the confusion in identifying these amazing fish because there is another fish that also goes by the name Convict Blenny, Priolepis...

The Indian Ocean Lyretail Anthias is also known as the Scalefin. The males have reddish hues, while the females tend to be more orange. They are active and help to draw out shier fish that...

Centropyge acanthops, commonly known as the Orangeback angelfish, is a small and colorful angelfish. They've the typical Centropyge body shape, with a dark blue base color and an orange head, back and dorsal fin. Around...

Sphaeramia nematoptera, commonly known as the Pajama cardinalfish, is probably one of the best known apogonidae. With their yellow head, black vertical bar and red dots on the back half of the body, it can't...