Overview

Comprehensive Description

Description

  Common names: cardinalfish (English), cardenal (Espanol)
 
Apogon pacificus (Herre, 1935)


Pink cardinalfish



Body oblong, compressed; head large, snout short; eye large; teeth small, no canines, usually present on center and sides of roof of mouth; gill rakers (including rudiments) 4-5 + 11-12; preopercle serrated, lower membranous flap not extending beyond edge of preoperculum; dorsal rays VI + I, 9; anal rays II, 8; pectoral rays 11-12; tail fin moderately concave; body scales rough; last few scales on tail fin; a row of scales along center of nape; lateral line complete, extends onto base of tail fin; lateral-line scales 24-26.  



Red to pinkish red; yellowish wash on head, breast, and belly; a short black bar on upper back below second dorsal fin; black stripe from snout through eye; pair of golden stripes through eye.


Size: grows to 10 cm.

Inhabits rock and coral reefs.

Depth: 1-60 m.

Southern California to the central Gulf of California to central Peru, Galapagos and Malpelo.   
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Biology

Stays under ledge overhangs and other shaded, reclusive areas on rocky reefs and slopes during the day. Feeds in the open at night. Often mingles with other cardinal fish (Ref. 5227).
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Distribution

Range Description

This species is present in the eastern Pacific from southern California to the central Gulf of California. to Central Peru, as well as the Galapagos and Malpelo.
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Zoogeography

See Map (including site records) of Distribution in the Tropical Eastern Pacific 
 
Global Endemism: All species, East Pacific endemic, Tropical Eastern Pacific (TEP) endemic

Regional Endemism: All species, TEP endemic, Continent + Island (s), Continent, Island (s)

Residency: Resident

Climate Zone: North Temperate (Californian Province &/or Northern Gulf of California), Northern Subtropical (Cortez Province + Sinaloan Gap), Northern Tropical (Mexican Province to Nicaragua + Revillagigedos), Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo), South Temperate (Peruvian Province )
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Eastern Pacific.
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Eastern Pacific: Gulf of California to Peru and Galapagos Islands.
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Depth

Depth Range (m): 1 (S) - 60 (S)
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Physical Description

Morphology

Size

Length max (cm): 10.0 (S)
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Size

Maximum size: 100 mm TL
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Max. size

10.0 cm TL (male/unsexed; (Ref. 11482))
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Diagnostic Description

Small fish, laterally compressed; first dorsal fin with 6 spines; second dorsal fin with 1 spine with 9 soft rays (VI+1,9); anal fin with 2 spines and 8 soft rays (II,8); 24-26 lateral line scales; first gill arch with 15-17 gill rakers. Body ranging from red to pink with yellow highlights on the head and flanks; a short, narrow, dark bar at the beginning of the dorsal fin and a black bar on the mouth (Ref. 55763).
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This is a reef-associated species, it stays under ledge overhangs and other shaded, reclusive areas, on rocky reefs and slopes during the day. It feeds in the open at night (Humann and Deloach 1993). This species is found to 60m. It often occurs with other cardinal fish (Humann and Deloach 1993). It is a mouthbrooder.

Systems
  • Marine
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Depth: 0 - 30m.
Recorded at 30 meters.
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Environment

reef-associated; marine; depth range 0 - 30 m (Ref. 5227)
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Depth range based on 21 specimens in 1 taxon.
Water temperature and chemistry ranges based on 1 sample.

Environmental ranges
  Depth range (m): 1 - 70
  Temperature range (°C): 23.459 - 23.459
  Nitrate (umol/L): 0.739 - 0.739
  Salinity (PPS): 35.036 - 35.036
  Oxygen (ml/l): 4.970 - 4.970
  Phosphate (umol/l): 0.656 - 0.656
  Silicate (umol/l): 4.734 - 4.734

Graphical representation

Depth range (m): 1 - 70
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Salinity: Marine, Marine Only

Inshore/Offshore: Inshore, Inshore Only

Water Column Position: Near Bottom, Bottom, Bottom + water column

Habitat: Reef (rock &/or coral), Reef only, Rocks, Corals, Reef associated (reef + edges-water column & soft bottom)

FishBase Habitat: Reef Associated
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Trophic Strategy

Stays under ledge overhangs and other shaded, reclusive areas on rocky reefs and slopes during the day. Feeds in the open at night. Planktivore (Ref. 57615).
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Feeding

Feeding Group: Planktivore

Diet: zooplankton, pelagic fish eggs, pelagic fish larvae
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Life History and Behavior

Life Cycle

Mouthbrooders (Ref. 240). Distinct pairing during courtship and spawning (Ref. 205).
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Reproduction

Egg Type: Brooded, Pelagic larva
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Apogon pacificus

The following is a representative barcode sequence, the centroid of all available sequences for this species.


No available public DNA sequences.

Download FASTA File
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Statistics of barcoding coverage: Apogon pacificus

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Specimens with Barcodes: 2
Species With Barcodes: 1
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2010

Assessor/s
Smith-Vaniz, B., Bussing, W., Salas, E. & Guzman-Mora, A.G.

Reviewer/s
Carpenter, K., Polidoro, B. & Livingstone, S. (Global Marine Species Assessment Team)

Contributor/s

Justification
There are no known threats to this species and it is common in its wide distribution. Therefore, it is listed as Least Concern.
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IUCN Red List: Not evaluated / Listed

CITES: Not listed
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Population

Population
This species is common in Costa Rica. There is no population information for this species.

Population Trend
Unknown
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Threats

Major Threats
There are no major threats known for this species.
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Least Concern (LC)
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Management

Conservation Actions

Conservation Actions
There are no known conservation measures for this species. However, this species' distribution includes a number of Marine Protected Areas in the tropical eastern Pacific region.
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