ReefDock
MarketplaceSellHow it worksFAQ
  1. Home
  2. /Shop
  3. /Livestock
  4. /Fish
  5. /Longspine Cardinalfish

Longspine Cardinalfish (Apogon doryssa)

Find Longspine Cardinalfish across reef-livestock retailers and from fellow hobbyists on ReefDock. Compare sources, check live pricing where available, and review source-tank parameters on Reef-Trak-verified fish listings before you buy.

Longspine Cardinalfish
Photo: (c) Erik Schlögl, some rights reserved (CC BY-NC), uploaded by Erik Schlögl · cc-by-nc
Some retailer links may earn ReefDock a small commission at no extra cost to you. Learn more.

Where to buy Longspine Cardinalfish

ReefDock searches the following reef retailers for this fish. Click through to see the live price.

  • Saltwaterfish

    Search this retailer

    Search Saltwaterfish
  • Amazon

    Search this retailer

    Search Amazon
  • Petco

    Search this retailer

    Search Petco

About Longspine Cardinalfish

Apogon doryssa is a small, slender cardinalfish with a reddish or orange-red coloration overall. The fish has a characteristic elongated snout and relatively large eyes typical of nocturnal cardinalfishes. The dorsal spine is notably long and prominent, giving the species its common name "Longspine."

Key facts

Origin
Indo-Pacific region, including areas from Indonesia to the Philippines and surrounding coral reef habitats.
Temperament
Peaceful
Diet Details
Feed small meaty foods such as finely chopped frozen shrimp, mysis shrimp, and small fish larvae. This species requires live or frozen foods and will not typically accept dry pellets. Feed 1-2 times daily, offering only what can be consumed in a few minutes.
Max Size
4
Care Level
Moderate
Family
Apogonidae
Common Health Issues
Ich, marine velvet, bacterial infections if stressed by poor water quality
Appearance
Apogon doryssa is a small, slender cardinalfish with a reddish or orange-red coloration overall. The fish has a characteristic elongated snout and relatively large eyes typical of nocturnal cardinalfishes. The dorsal spine is notably long and prominent, giving the species its common name "Longspine."
Min tank size
30 gallons
Water Parameters
Temperature: 72-78°F pH: 8.1-8.3 Salinity: 1.02-1.026
Feeding Schedule
1-2 times daily
Diet
carnivore

Looking for a hobbyist seller?

ReefDock's marketplace lets reef-keepers sell fish directly to other reef-keepers with Stripe-secured checkout and live-arrival photo confirmation. Browse current fish listings on ReefDock, or list your own.

Verify the source tank before you buy

ReefDock is the sister app to Reef Trak. Sellers who maintain a Reef Trak tank log can publish source-tank parameters on eligible fish listings — so you can see the conditions a fish was raised in before you buy. Log this fish on Reef Trak.

Related fish

  • Acares Midget Reef Chromis

    Chromis acares

  • Achilles Tang

    Acanthurus achilles

  • Adorned Wrasse

    Halichoeres cosmetus

  • African Basslet

    Liopropoma africanum

  • African Pygmy Angelfish

    Centropyge acanthops

  • Agile Chromis

    Chromis agilis

  • Aiptasia Eating Filefish

    Acreichthys tomentosus

  • Allard's Clownfish

    Amphiprion allardi

ReefDock

The reef marketplace built around live-arrival accountability. Sister app to Reef Trak.

Questions? support@reeftrak.com

Marketplace

  • Browse all listings
  • Auctions
  • Trades
  • Sell on ReefDock

Categories

  • Corals
  • Fish
  • Invertebrates
  • Equipment
  • Frags

About

  • How it works
  • Fees and payouts
  • About ReefDock
  • FAQ
  • ReefTrak integration
  • Marketplace rules
  • Affiliate disclosure

© 2026 ReefDock · Privacy · Terms