Red Honey Damselfish

Red Honey Damselfish (Neoglyphidodon crossi)
Also known as Cross’ Damselfish or Red Chromis.

Appearance & Behavior

Young fish can display warm yellow-orange tones and contrasting darker coloration. Appearance changes with age, and juvenile color should not be treated as a promise of the adult pattern. Like other damselfish, it establishes a home area and may defend it against approaching tankmates.

Quick Care Guide

• Care level: easy once established in a stable, fully cycled marine aquarium; compatibility requires planning.
• Temperament: aggressive, particularly as an adult.
• Adult size: 5 inches, approximately.
• Minimum aquarium: 55 gallons; use additional space for multiple territories and community tankmates.
• Diet: omnivore; varied small marine foods with an algae component.
• Reef compatibility: generally reef-safe; aggression toward fish is a separate concern.
• Temperature: 72–78°F.
• Specific gravity: approximately 1.023–1.025; keep salinity stable and appropriate for all inhabitants.
• pH: 8.1–8.4.
• Alkalinity: 8–12 dKH; prioritize stability and the needs of the aquarium.

Aquarium Setup & Compatibility

Provide a fully cycled marine aquarium with secure rockwork, caves, and multiple escape routes. Break up sightlines so tankmates can leave the defended territory. Leave open swimming space and maintain effective filtration, good oxygenation, and regular water changes. Fit a secure lid.

Choose robust, appropriately sized companions that can coexist with an assertive adult. Avoid timid gobies, shy feeders, and other fish likely to be cornered. A species-focused setup may be more suitable than a peaceful mixed community. Introduce less assertive residents first where practical and add the damsel later. Introduction order is not a guarantee against aggression.

One individual is the safest starting point for most smaller home aquariums. Unfamiliar individuals or similar-looking damsels can fight; do not assume buying several creates a peaceful school. Have a practical separation plan if chasing becomes persistent or causes injury.

Reef & Invertebrate Compatibility

This fish generally leaves coral tissue and most typical ornamental reef invertebrates alone. Tiny crustaceans and larvae may be eaten. Grazing, nesting, or territorial activity can disturb nearby corals; secure frags and monitor vulnerable animals. Reef-safe does not mean peaceful toward other fish.

Feeding

Offer quality marine omnivore pellets or flakes, appropriately sized frozen mysis, enriched brine shrimp, copepods, and algae-containing prepared foods. Provide variety rather than relying on a single food or expecting natural algae and rock fauna to sustain the fish.

Feed small portions twice daily and confirm that every fish receives food. Juveniles may benefit from extra small feeding opportunities. Distribute food across more than one area when a dominant fish monopolizes meals, and remove leftovers to protect water quality.

Introduction & Long-Term Care

Quarantine new arrivals when possible and establish reliable feeding before introduction to the display. Acclimate to temperature and salinity, reduce lighting during introduction, and provide immediate access to shelter. Hardiness is not a reason to expose fish to ammonia or nitrite: never use live damselfish to cycle an aquarium.

Monitor appetite, breathing, body condition, and interactions daily. Increasing aggression with maturity or spawning may require a stocking change even after an initially peaceful introduction. Persistent hiding, missed meals, damaged fins, or relentless chasing calls for prompt attention. Plan for adult size and behavior rather than juvenile appearance.