Red Sea Parrotfish
Red Sea Parrotfish
© Georgette Douwma
Fishes · Bony fishes · Parrotfishes

Red Sea Parrotfish

Scarus collana Rüppell, 1835
syn. Pseudoscarus ismailius, Scarus collaris, Scarus ghardaqensis
33 cm1-15 mRed Sea endemicLeast Concern
1737

The 🌊 Red Sea Parrotfish, scientifically known as Scarus collana, is a fascinating marine species found exclusively in the warm, tropical waters of the 🌊 Red Sea. This particular undefined thrives in shallow marine environments, typically associated with coral reefs. They prefer a depth range between just 1 to 15 meters where they can often be found swimming around small coral heads or areas of dead coral rock, usually on silty sand within inshore reefs.

One of the unique aspects of the 🌊 Red Sea Parrotfish is its distinctive appearance. Males can be identified by their pink stripes at the base of their tail fin, providing a vibrant spectacle against the backdrop of the ocean. These fish grow to a maximum length of about 33 centimeters, making them a mid-sized species within their habitat.

In terms of behavior, the 🌊 Red Sea Parrotfish is known for its solitary nature. Unlike some fish that travel in groups or schools, this species prefers to navigate its environment alone. When it comes to reproduction, they exhibit oviparous characteristics, which means they lay eggs. During their breeding season, these fish form distinct pairs, highlighting a brief period of social interaction.

The name 'Scarus' has its origins in ancient Greek, where 'skaros' was a term used to describe fish known as undefined by historical writers. This indicates that even in ancient times, the defining features of these fish, perhaps their vibrant colors and characteristic beak-like mouths, were notable enough to be documented.

As a 🌊 Red Sea endemic, the Scarus collana is not found outside of this specific region in the 🌊 Western Indian Ocean, which adds a layer of intrigue to those studying marine biodiversity and conservation efforts within the area. Understanding the presence and behaviors of species like the 🌊 Red Sea Parrotfish contributes significantly to our broader appreciation and knowledge of marine ecosystems.

Why it's threatened

There are no major threats known for this species.

Parrotfishes show varying degrees of habitat preference and utilization of coral reef habitats, with some species spending the majority of their life stages on coral reefs, while others primarily utilize seagrass beds, mangroves, algal beds, and /or rocky reefs. Although the majority of the parrotfishes occur in mixed habitat (primarily inhabiting seagrass beds, mangroves, and rocky reefs) approximately 78% of these mixed habitat species are experiencing greater than 30% loss of coral reef area and habitat quality across their distributions. Of those species that occur exclusively in coral reef habitat, more than 80% are experiencing a greater than 30% of coral reef loss and degradation across their distributions. However, more research is needed to understand the long-term effects of habitat loss and degradation on these species populations. Widespread coral reef loss and declining habitat conditions are particularly worrying for species that depend on live coral reefs for food and shelter especially as studies have shown that protection of pristine habitats facilitate the persistence of adult populations in species that have spatially separated adult and juvenile habitats. Furthermore, coral reef loss and declining habitat conditions are particularly worrying for some corallivorous excavating parrotfishes that play major roles in reef dynamics and sedimentation (Comeros-Raynal et al. 2012).

Threat classification from the IUCN Red List.

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Last Update: June 28, 2026