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Sungai Cisaar, Ciletuh Hills, Indonesia

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Indonesia, East Java, Mekarjaya, Sukabumi Regency

The biotope in the Ciletuh Geopark area, located in the southern part of Sukabumi, is very different from the typical biotopes in other parts of Java. Geomorphologically, the landscape of Ciletuh and its surroundings is part of the Southern Mountains of Java, forming a giant horseshoe-shaped amphitheater consisting of undulating mountains with highly varied elevations, with the highest peak reaching 360 meters above sea level (MASL).

Along the fault line, there are eight main waterfalls, one of which is Curug Larangan, located along the Cisaar River. The geological history and geographical features of this area have led to habitat isolation, particularly in the rivers near the waterfalls, which are isolated habitats and home to a type of goby fish (Sicydiinae) that is better adapted to living in the strong currents of rocky rivers.

Submitted by
Margo Prasetya
Approved by
Heiko Blessin, Heok Hee Ng & Greg Martin
GPS
-7.1877022, 106.5014343
Geographical region
Southeastern Asia
Drainage Basin
Sungai Muara
River catchment
Water body type
Stream
Water body name
Sungai Cisaar
Water body part
Water body course
Lower course
Water body: tributary of
River
Tributary name
Sungai Muara

Videos above and below water


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Water Chemistry

Water information

Water type
fresh-water
Water color
Clear water
Water transparency
High
Concentration of sediments
Low
Water temperature
27 °C
Water flow/curent
Strong

Chemical parameters

pH
Conductivity
GH
dGH
KH
dKH
Dissolved Oxygen

Substrate in nature

Sand
Grey
Pebble/Gravel
Mixed
Stone
Mixed
Stone form
Roundish
Silt/Mud
Reddish
Leaves
Few
Driftwood
Few
Submerged terrestrial vegetation

Aquatic Biotope

Date of collecting
Collecting area
Water depth
Air temperature
Sunlight

Environment

Environment
Affected by human activity
Affected by human activity
Surrounding area
Underwater landscape

In general, the gobies living in this area belong to the waterfall-climbing goby species, specifically the Sicyopus and Lentipes genus.

Fishlist:

  • Lentipes ikeae (Gobiidae)
  • Sicyopus rubicundus (Gobiidae)
  • Sicyopus zosterophorum (Gobiidae)

Crustaceans:

  • Caridina serratirostris (Atyidae)

Molluscs :

  • Thiara winteri (Thiaridae)
  • Melanoides punctata (Thiaridae)
  • Ferrissia javana (Planorbidae)
Threats to ecology

As the name “Curug Larangan” suggests, this area is traditionally a forbidden zone according to local wisdom, but in recent years, it has become a tourist attraction.

Bibliography

  • Jurnal Manajemen Resort dan Leisure, Vol. 13 No.1, 55-60. - Pengembangan Geopark Ciletuh Berbasis Partisipasi Masyarakat Sebagai Kawasan Geowisata di Kabupaten Sukabumi. by Dasiharjo, SU., Saputra IM. 2016
  • air tawar. Vol I. - Distribusi Umum dan Penyebaran Hewan Air Tawar. by AULA-Verlag, Wiesbaden
  • Société française d'ichtyologie, Paris - Ikan Gobi Sicydiine Indo-Pasifik: Keanekaragaman Hayati, Sifat Kehidupan, dan Konservasi. by Keith, P., Lord, C., Maeda, K., 2015b
  • Texas A&M University-Corpus Christi, Texas. - Memahami Keanekaragaman Spesies Amphidromus Indopacific Goby Genus Stiphodon. by Lor, Yer.2016.
  • Maret Biol. Prog. Ser. 455, 269–285. - Dari endemisme hingga distribusi luas: filogeni tiga spesies Sicyopterus amphidromous ( Teleostei: Gobioidei: Sicydiinae). by Lord, C., Lorion, J., Dettai, A., Watanabe, S., Tsukamoto, K., Cruaud, C., Keith, P., 2012.
  • Berita Biologi 5 (6), 667 – 678 - Fauna ikan di Taman Nasional Gunung Halimun dan sekitarnya. by Rachmatika I, DS Sjafei and W Nurchayadi. 2001.
  • Systematic Studies on the Non Marine Mollusca of the Indo Australian Archipelago: Critical Revision of the Javanese Freshwater Gastropods, 1956 by W.S.S van Benthem Jutting,

Comment by the expert

Heiko Blessin:

Heok Hee Ng: The description of the habitat is reasonably accurate, but water parameters are lacking. Streams in this area are also likely to have other fish species (e.g. Rasbora spp.).

Greg Martin: Excellent work. I would have liked a few water chemistry measurements from the wild location.