Rivière· 51 segments
Small Fish River
Crosses 2 administrative regions : Cacadu, Chris Hani
Total length
227km
Max discharge
2,4m³/s
Max Strahler
4
Segments matched
51
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- CacaduEastern Cape · South Africa296.4 kmin this dpt
- Chris HaniEastern Cape · South Africa0.0 kmin this dpt
2 intersecting protected areas
Mountain Zebra-Camdeboo Protected Environment
IUCN Not ReportedProtected Environment
Somerset East Bosberg Nature Reserve
IUCN Not ReportedNature Reserve
1 page = 1 named river (aggregation of 51 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
501 distinct species · 989 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Small Fish River : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 31 interactions GloBI sur 4 types (connectance 4.7%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
227km
Max discharge
2,4m³/s
Max Strahler
4
Segments matched
51
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.