Basslet- Chalk

About the Chalk Basslet

The Chalk Basslet (Serranus tortugarum) is a rare and beautiful deepwater basslet featuring soft pastel coloration with peach, orange, and cream tones accented by delicate blue markings around the eyes and fins. This uncommon species is highly sought after by collectors for its subtle elegance and peaceful temperament. Chalk Basslets are deepwater fish that bring a unique, refined beauty to reef aquariums.

Why Reef Keepers Love This Fish

• Rare & Collectible: Uncommon deepwater species rarely available in the aquarium trade
• Subtle Elegance: Soft pastel peach and cream coloration with delicate blue accents creates understated beauty
• Peaceful Temperament: Docile and compatible with most community fish and invertebrates
• Reef-Safe: Won't harm corals or invertebrates, making it perfect for mixed reef systems
• Hardy Once Established: Adapts well to aquarium life when properly acclimated
• Active Swimmer: Explores rockwork and mid-water areas throughout the aquarium
• Unique Addition: Stands out from common basslets with its distinctive pastel coloration

Care Requirements

Experience Level: Intermediate to Advanced
Temperament: Peaceful
Minimum Tank Size: 30 gallons
Diet: Carnivore—readily accepts frozen mysis shrimp, brine shrimp, high-quality pellets, and other meaty preparations. Feed 1-2 times daily.
Max Size: 3-4 inches

Ideal Water Parameters

Temperature: 72-76°F (prefers cooler temperatures as a deepwater species)
pH: 8.1-8.4
Salinity: 1.023-1.025 SG
Ammonia/Nitrite: 0 ppm
Nitrate: <10 ppm (maintain excellent water quality)

Important Considerations

Deepwater Species: Chalk Basslets are collected from deeper reef zones and prefer slightly cooler water temperatures (72-76°F) compared to shallow-water species. Ensure your aquarium can maintain stable temperatures in this range for optimal health and coloration.

Acclimation: Take extra care during acclimation. Drip acclimation over 60+ minutes is strongly recommended to help this deepwater species adjust to aquarium conditions. They may be shy initially and require time to settle in.

Water Quality: As a deepwater species, Chalk Basslets appreciate pristine water conditions with low nitrates and stable parameters. Regular water changes and quality filtration are essential.

Tank Placement & Behavior

Chalk Basslets are peaceful swimmers that utilize rockwork crevices and mid-water areas. They appreciate plenty of live rock with caves and overhangs where they can retreat, especially during the initial acclimation period. Once established, they become more confident and visible throughout the day. Their soft pastel coloration creates a beautiful contrast against colorful corals and more vibrant fish species, offering a refined aesthetic that collectors appreciate.

What to Expect

Your Chalk Basslet will arrive healthy and ready to acclimate. Allow proper acclimation time and provide a peaceful environment with hiding spots initially. These fish are easy to feed once settled, accepting frozen and prepared foods readily. Their delicate pastel coloration becomes more pronounced under quality reef lighting, and the subtle blue accents around the eyes and fins add beautiful detail. With their rarity, peaceful nature, and understated elegance, Chalk Basslets are prized additions for collectors seeking something truly special.