ChinamanfishSJE

 
Symphorus nematophorus
30.0 cm FL

Characteristic features:

  • Dorsal fins with 10 spines and 14–17 soft rays
  • Body moderately deep
  • No spot on caudal peduncle
  • Juveniles with one or more anterior dorsal-fin soft rays forming long filaments

Colour:

Adults mainly reddish with paler vertical bars. Smaller individuals and juveniles yellowish-brown with bright blue horizontal stripes and faint dark bars on sides. Adults and juveniles without spot on caudal peduncle

Size:

Up to 80 cm TL.

Distribution:

West Pacific in tropical and subtropical waters.

Habitat:

Coral reefs, from the surface to at least 50 m depth.

Biology:

Feeds predominately on fishes. Usually solitary, but has been observed to form large schools. Age and length of maturity is estimated to be 4.8 and 49.0 cm, respectively.1 Chinamanfish display a low mortality and longer lifespan2 with an estimated maximum age of 36 years.3

Fisheries:

Caught mainly with handlines.

Similar species:

 
Symphorichthys spilurus
Sailfin snapper
Symphorichthys spilurus
Symphorichthys spilurus differs in having a very deep body (vs. moderately deep); a blunt head (vs. gently sloping); dorsal-fin soft rays forming long filaments in juveniles and adults (vs. juveniles only) and a black spot on caudal peduncle (vs. no black spot).

External links:

FishBase
The IUCN Red List of Threatened SpeciesTM

References:

  1. 1.
    Martinez-Andrade F. A comparison of life histories and ecological aspects among snappers (Pisces: Lutjanidae). 2003.
  2. 2.
    Heupel MR, Williams AJ, Welch DJ, Davies CR, Penny A, Kritzer JP, et al. Demographic characteristics of exploited tropical lutjanids: a comparative analysis. Fishery Bulletin. 2010;108:420–32.
  3. 3.
    Currey LM, Simpfendorfer CA, Williams AJ. Resilience of reef fish species on the Great Barrier Reef and in Torres Strait [Internet]. Project Milestone report to the Marine and Tropical Science Research Facility. Reef and Rainforest Research Centre Limited, Cairns (32 pp.). 2010. Available from: http://www.rrrc.org.au/publications/unpub_reports.html