| Species | Sphyrna zygaena |
|---|---|
| Superorder | Galeomorphii |
| Order | Carcharhiniformes |
| Subclass | Elasmobranchii |
| Family | Sphyrnidae |
| IUCNcode |
| Source observation | other |
|---|---|
| General data type | nCPUE |
| Unit | individual per km.net |
| Unit freeform | |
| Unit transformation | |
| Sampling Method general | gillnet,line |
| Year | Value |
|---|---|
| 1978 | 0.4444 |
| 1979 | 1.0165 |
| 1980 | 3.79 |
| 1981 | 0.494 |
| 1982 | 0.1049 |
| 1983 | 0.6602 |
| 1984 | 0.888 |
| 1985 | 0.8656 |
| 1986 | 0.9904 |
| 1987 | 0.6569 |
| 1988 | 0.5568 |
| 1989 | 0.3733 |
| 1990 | 1.0593 |
| 1991 | 0.8786 |
| 1992 | 1.0395 |
| 1993 | 1.717 |
| 1994 | 2.3614 |
| 1995 | 2.7917 |
| 1996 | 0.6944 |
| 1997 | 0.6943 |
| 1998 | 0.7941 |
| 1999 | 0.7079 |
| 2000 | 1.0022 |
| 2001 | 0.8519 |
| 2002 | 0.9602 |
| 2003 | 2.185 |
| 2004 | 1.6682 |
| 2005 | 1.1014 |
| 2006 | 0.5234 |
| 2007 | 0.2789 |
| 2008 | 0.6926 |
| 2009 | 0.423 |
| 2010 | 0.6505 |
| 2011 | 0.5032 |
| 2012 | 0.6698 |
| 2013 | 0.539 |
| 2014 | 0.8361 |
| Ocean | Indian |
|---|---|
| Name | Kwazulu-Natal coast South-Africa |
| Latitude | -30.1 |
| Longitude | 31.2 |
| PPOW | |
|---|---|
| MEOW | Agulhas |
| FAO | Indian Ocean, Western |
| ID | 6182 |
|---|---|
| Author | |
| AuthorYear | dicken2018 |
| Title | |
| Journal | |
| Volume | |
| Part/Supplement | |
| Issue | |
| Pages | |
| Start Page | |
| Errata | |
| Epub Date | |
| SourceYear | 2018 |
| DataSource | Shark-references |
| doi | 10.2989/1814232x.2018.1470031 |
| Reference | DICKEN, M.L. & WINKER, H. & SMALE, M.J. & CLIFF, G. (2018) Sharks caught in the KwaZulu-Natal bather protection programme, South Africa. 14. The smooth hammerhead shark Sphyrna zygaena (Linnaeus). African Journal of Marine Science, 40 (2): 157-174 |
| data entered | false |
| Identifier | 4177 |
|---|---|
| Comments | The CPUE value for 1980 (3.79) was excluded from the Red List assessment (see rationale) |
| Experts for representativeness | IUCN Pelagic sharks and rays - Dallas Nov 2018 |
| Figure Name | |
| Page and Figure Number | p162f3 |
| Line Used | Observed |
| PDF Page |