Bathygobius fuscus — Details

Brown Frillfin learn more about names for this taxon

Overview

Comprehensive Description

Biology

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Inhabits shallow rocky areas, often in pools of the intertidal zone (Ref. 2798). Occurs mostly in coastal areas. Also found in estuaries, tidal zones and often ascending into freshwater streams. Sometimes seen as fresh catches at markets (Ref. 12693).

Hoese, D.F. 1986 Gobiidae. p. 774-807. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 2798) http://www.fishbase.org/references/FBRefSummary.php?id=2798&speccode=17032

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Distribution

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Indo-Pacific: Red Sea south to Bazaruto, Mozambique (Ref. 2798) and east to the Line and Tuamoto islands, north to South Korea and southern Japan, south to the southern Great Barrier Reef. Does not occur in the Hawaiian Islands (Ref. 7490).

Myers, R.F. 1991 Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602) http://www.fishbase.org/references/FBRefSummary.php?id=1602&speccode=4306

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Range Description

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Bathygobius fuscus is a widely distributed species in tropical seas, brackish water and freshwater. It is found in the Red Sea, Indo-West Pacific: East Africa, Madagascar and Mascarenes east to Maldives, all costal states of India, Andaman and Nicobar Islands, Sri Lanka, Wake Atoll, Marquesas Islands and Gambier Islands, north to South Korea and southern Japan, south to Western Australia, Queensland (Australia), New Caledonia, Norfolk Island and Tonga (Tilak 1972, Jones et al. 1981, Talwar and Jhingran 1991, Rao et al. 2000, Eschmeyer and Fricke 2011).

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Chagos, Comores, Kenya, Madagascar, Mauritius, Mozambique, Red Sea, Seychelles

MacNae, W. & M. Kalk (eds) (1958). A natural history of Inhaca Island, Mozambique. Witwatersrand Univ. Press, Johannesburg. I-iv, 163 pp. http://www.marinespecies.org/aphia.php?p=sourcedetails&id=6266
Anon. (1996). FishBase 96 [CD-ROM]. ICLARM: Los Baños, Philippines. 1 cd-rom pp. http://www.marinespecies.org/aphia.php?p=sourcedetails&id=5909
Kalk, M. (1958). The fauna of the intertidal rocks at Inhaca Island, Delagoa Bay. Ann. Natal Mus. 14: 189-242. http://www.marinespecies.org/aphia.php?p=sourcedetails&id=6229
Anon. (2000). FishBase 2000 [CD-ROM]. ICLARM: Los Baños, Laguna, Philippines. 4 cd-roms pp. http://www.marinespecies.org/aphia.php?p=sourcedetails&id=6542
Smith, J.L.B. & M.M. Smith (1963). The fishes of Seychelles. Department of Ichthyology, Rhodes University. Grahamstown. http://www.marinespecies.org/aphia.php?p=sourcedetails&id=5926
Bock, K.R. (1996). Checklist of the reef fishes of Diani and Galu, Kenya. Journal of East African natural History 85: 5-22. http://www.marinespecies.org/aphia.php?p=sourcedetails&id=6357
Fishelson, L., 1971. Ecology and distribution of the benthic fauna in the shallow waters of the Red Sea. Marine Biology, 10/2: 113-133. http://www.marinespecies.org/ascidiacea/aphia.php?p=sourcedetails&id=29127

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Red Sea, Indo-West Pacific: East Africa, Madagascar and Mascarenes east to Wake Atoll, Marquesas Islands and Gambier Islands, north to South Korea and southern Japan, south to Western Australia, Queensland (Australia), New Caledonia, Norfolk Island and To

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Physical Description

Morphology

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Dorsal spines (total): 7; Dorsal soft rays (total): 9 - 91; Analspines: 1; Analsoft rays: 8

Myers, R.F. 1991 Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602) http://www.fishbase.org/references/FBRefSummary.php?id=1602&speccode=4306

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Size

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Maximum size: 120 mm TL

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Max. size

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12.0 cm TL (male/unsexed; (Ref. 4343))

MaugÃ©, L.A. 1986 Gobiidae. p. 358-388. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 2. (Ref. 4343) http://www.fishbase.org/references/FBRefSummary.php?id=4343&speccode=39

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Diagnostic Description

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Dorsal fin plain and often with wide stripe (Ref. 2798).

Myers, R.F. 1991 Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602) http://www.fishbase.org/references/FBRefSummary.php?id=1602&speccode=4306

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Description

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Inhabits shallow rocky areas, often in pools of the intertidal zone.

Anon. (1996). FishBase 96 [CD-ROM]. ICLARM: Los Baños, Philippines. 1 cd-rom pp. http://www.marinespecies.org/aphia.php?p=sourcedetails&id=5909

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Type Information

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Cotype for Gobius poecilichthys
Catalog Number: USNM 49919
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Preparation: Illustration
Collector(s): D. Jordan & J. Snyder
Year Collected: 1900
Locality: Misaki, Sagami, Honshu, Japan, Pacific

Cotype:

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Ecology

Habitat

Environment

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reef-associated; amphidromous (Ref. 51243); freshwater; brackish; marine

Riede, K. 2004 Global register of migratory species - from global to regional scales. Final Report of the R&D-Projekt 808 05 081. Federal Agency for Nature Conservation, Bonn, Germany. 329 p. (Ref. 51243) http://www.fishbase.org/references/FBRefSummary.php?id=51243&speccode=4683

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Habitat and Ecology

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Habitat and Ecology

This is primarily a marine species occasionally entering freshwaters. It is found mainly in the creeks (Rao et al. 2000) and it prefers habitats with sand and rubble, soft coral and open reefs (Depczynski and Bellwood 2004). It is a detritus feeder (Depczynski and Bellwood 2003).

Systems

Freshwater

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Depth range based on 67 specimens in 1 taxon.
Water temperature and chemistry ranges based on 38 samples.

Environmental ranges
  Depth range (m): 0.08 - 7.625
  Temperature range (°C): 24.610 - 29.336
  Nitrate (umol/L): 0.009 - 1.925
  Salinity (PPS): 33.821 - 36.148
  Oxygen (ml/l): 4.450 - 4.883
  Phosphate (umol/l): 0.092 - 0.445
  Silicate (umol/l): 1.005 - 4.102

Graphical representation

Depth range (m): 0.08 - 7.625

Temperature range (°C): 24.610 - 29.336

Nitrate (umol/L): 0.009 - 1.925

Salinity (PPS): 33.821 - 36.148

Oxygen (ml/l): 4.450 - 4.883

Phosphate (umol/l): 0.092 - 0.445

Silicate (umol/l): 1.005 - 4.102

Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Migration

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Amphidromous. Refers to fishes that regularly migrate between freshwater and the sea (in both directions), but not for the purpose of breeding, as in anadromous and catadromous species. Sub-division of diadromous. Migrations should be cyclical and predictable and cover more than 100 km.Characteristic elements in amphidromy are: reproduction in fresh water, passage to sea by newly hatched larvae, a period of feeding and growing at sea usually a few months long, return to fresh water of well-grown juveniles, a further period of feeding and growing in fresh water, followed by reproduction there (Ref. 82692).

Riede, K. 2004 Global register of migratory species - from global to regional scales. Final Report of the R&D-Projekt 808 05 081. Federal Agency for Nature Conservation, Bonn, Germany. 329 p. (Ref. 51243) http://www.fishbase.org/references/FBRefSummary.php?id=51243&speccode=4683

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Life History and Behavior

Life Cycle

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Benthic spawner.

Fishelson, L. 1989 Bisexuality and pedogenesis in gobies (Gobiidae: Teleostei) and other fish, or, why so many little fish in tropical seas?. Senckenbergiana Marit. 147-169. (Ref. 31409) http://www.fishbase.org/references/FBRefSummary.php?id=31409&speccode=6568

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Bathygobius fuscus

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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: Bathygobius fuscus

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Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Specimens with Barcodes: 4
Species With Barcodes: 1

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Conservation

Conservation Status

IUCN Red List Assessment

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Red List Category

LC

Least Concern

Red List Criteria

Version

3.1

Year Assessed

2011

Assessor/s

Dahanukar, N.

Reviewer/s

Rema Devi, K.R., Gopalakrishnan, A., Arunachalam, M., Shrikant, J., Johnson, J.A., Rahul, K. & Molur, S.

Contributor/s

Molur, S.

Justification

Bathygobius fuscus is a widely distributed species with no known major threat. Hence it is assessed as Least Concern.

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Trends

Population

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Population

Bathygobius fuscus is relatively common. In Australia the fish contributed to 1.63% of the total catch (Depczynski and Bellwood 2004).

Population Trend

Stable

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Threats

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Least Concern (LC)

IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006. http://www.fishbase.org/references/FBRefSummary.php?id=57073

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Major Threats

There are no known major threats to the species.

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Management

Conservation Actions

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Conservation Actions

No conservation action plan is in place directed towards Bathygobius fuscus. It is not known if the species is present in any protected areas.

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Relevance to Humans and Ecosystems

Benefits

Importance

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fisheries: minor commercial; price category: very high; price reliability: very questionable: based on ex-vessel price for species in this family

Rainboth, W.J. 1996 Fishes of the Cambodian Mekong. FAO Species Identification Field Guide for Fishery Purposes. FAO, Rome, 265 p. (Ref. 12693) http://www.fishbase.org/references/FBRefSummary.php?id=12693&speccode=26747

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