Marine Trophic Index in the waters of Cook Isl. (New Zealand)

High seas accessed by Cook Isl. (New Zealand): 1987

This reflects the year that the Sea Around Us project set as the first year in which fishing vessels from this country engaged in fishing in High Seas waters (water beyond the boundaries of Exclusive Economic Zones). If you have knowledge and data that would support an earlier or later year to be specified, please advise us of this via feedback.

Other EEZs accessed by Cook Isl. (New Zealand): 1987

This reflects the year that the Sea Around Us project set as the first year in which fishing vessels from this country engaged in fishing in the Exclusive Economic Zone waters of other countries (if observed access or formal access agreements existed). If you have knowledge and data that would support an earlier or later year to be specified, please advise us of this via feedback.

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Start year: End year:

Year	Mean trophic level	Mean max. length (cm)	FiB Index	Expansion factor
1950	NaN	NaN	NaN	NaN
1951	NaN	NaN	NaN	NaN
1952	4.58	286.9	0	1
1953	4.59	287.3	-0.23	0.79
1954	4.58	286.8	0.71	2.03
1955	4.58	287.2	0.36	1.43
1956	4.58	286.9	0.61	1.84
1957	4.57	285.9	0.69	1.99
1958	4.57	285.8	1.06	2.89
1959	4.57	285.6	1.13	3.1
1960	4.56	285.1	0.97	2.64
1961	4.56	285.1	1.06	2.89
1962	4.56	285.3	1.54	4.66
1963	4.56	285.3	1.57	4.81
1964	4.44	249.7	3.12	22.65
1965	4.42	252.6	2.89	17.99
1966	4.44	249.3	2.69	14.73
1967	4.44	250.2	2.76	15.8
1968	4.17	204	2.31	10.07
1969	4.32	226.7	2.61	13.6
1970	4.29	209.1	3.44	31.19
1971	4.32	195.1	3.35	28.5
1972	4.09	190	3.16	23.57
1973	3.99	172.5	3.18	24.05
1974	4.1	181.6	3.28	26.58
1975	4.09	180.9	3.25	25.79
1976	4.21	189.1	3.8	44.7
1977	4.05	178	-0.07	0.93
1978	4.08	169.7	0.16	1.17
1979	4.14	170.1	0.29	1.34
1980	4.14	168.3	0.31	1.36
1981	4.14	159.7	0.31	1.36
1982	4.03	171	-0.35	0.7
1983	4.08	173.3	-0.13	0.88
1984	4.12	160.4	0.22	1.25
1985	4.15	158.3	0.47	1.6
1986	4.14	157.7	0.42	1.52
1987	4.13	152.6	0.37	1.45
1988	4.32	201.4	2.88	17.81
1989	4.31	210.2	2.51	12.3
1990	4.29	215	2.03	7.61
1991	4.39	220	2.92	18.54
1992	4.37	200.3	2.99	19.89
1993	4.39	226.1	2.84	17.12
1994	4.41	226.8	2.7	14.88
1995	4.4	227.1	2.68	14.59
1996	3.63	132	-2.37	0.09
1997	3.64	131.4	-2.45	0.09
1998	3.89	153.3	-1.6	0.2
1999	3.76	141.6	-2.29	0.1
2000	3.95	170.6	-1.54	0.21
2001	4.2	208.5	-0.05	0.95
2002	4.31	205.7	1.12	3.06
2003	4.31	187.7	1	2.72
2004	4.17	175.2	-0.54	0.58
2005	4.13	156.3	-0.74	0.48
2006	4.11	147.3	-0.78	0.46

Show/Hide tabular data

TL	SLMax(cm)	Common Name	Scientific Name
4.57999992370605	287	Striped marlin	Tetrapturus audax
4.5	279	Indo-Pacific sailfish	Istiophorus platypterus
4.5	219	Bigeye tuna	Thunnus obesus
4.5	189	Shortbill spearfish	Tetrapturus angustirostris
4.48999977111816	449	Swordfish	Xiphias gladius
4.47714281082153	367	Billfishes	Istiophoridae
4.46999979019165	93	Kawakawa	Euthynnus affinis
4.46000003814697	367	Black marlin	Makaira indica
4.46000003814697	410	Indo-Pacific blue marlin	Makaira mazara
4.40333318710327	179	Barracudas	Sphyraena
4.38500022888184	164	Amberjacks	Seriola
4.36999988555908	172	Common dolphinfish	Coryphaena hippurus
4.34999990463257	108	Skipjack tuna	Katsuwonus pelamis
4.34000015258789	231	Yellowfin tuna	Thunnus albacares
4.30999994277954	136	Albacore	Thunnus alalunga
4.2622218132019	150	Mackerels tunas and bonitos	Scombridae
4.24176502227783	207	Requiem sharks	Carcharhinidae
4.23999977111816	289	Blue shark	Prionace glauca
4.21999979019165	200	Opah	Lampris guttatus
4.20888900756836	90	Weakfishes	Cynoscion
4.15000009536743	150	Cutlassfishes	Trichiuridae
4.1399998664856	97	Jumbo flying squid	Dosidicus gigas
4.13424253463745	32	Squids	Teuthida
4.07000017166138	164	Yellowtail amberjack	Seriola lalandi
4.05230808258057	164	Jacks and pompanos	Carangidae
4.02400016784668	98	Snappers	Lutjanus
4.01749992370605	98	Snappers	Lutjanidae
4	300	Sharks rays and skates etc	Sharks or rays and chimaeras
3.98279094696045	190	Sea basses or groupers and fairy basslets	Serranidae
3.97000002861023	60	Alfonsinos	Beryx
3.92333340644836	115	Snooks	Centropomus
3.91666698455811	43	Scorpionfishes or rockfishes	Scorpaenidae
3.91417288780212	80	Cods	Gadiformes
3.89000010490417	143	Eels and morays	Anguilliformes
3.84349989891052	190	Groupers	Epinephelus
3.76205897331238	200	Drums or croakers	Sciaenidae
3.68666696548462	102	Pompanos	Trachinotus
3.61374998092651	205	Skates and rays	Rajiformes
3.57999992370605	68	Octopuses	Octopoda
3.57450008392334	25	Flyingfishes	Exocoetidae
3.57180309295654	50	Flatfishes	Pleuronectiformes
3.5699999332428	78	Black skipjack	Euthynnus lineatus
3.53143930435181	56	Perch-likes	Perciformes
3.47857093811035	62	Sea catfishes	Ariidae
3.35863590240479	80	Grunts	Haemulidae
3.30999994277954	18	Penaeid shrimps	Penaeidae
3.28500008583069	49	Western croakers	Micropogonias
3.25250005722046	53	Triggerfishes	Balistidae
3.24000000953674	25	Herrings	Clupeiformes
3.20000004768372	1100	King of herrings	Regalecus glesne
3.08999991416931	52	Chub mackerel	Scomber japonicus
3.03200006484985	25	Mojarras	Gerreidae
3	25	Crustaceans	Crustacea
2.70000004768372	34	Penaeus shrimps	Penaeus
2.65000009536743	13	Natantian decapods	Shrimps and prawns
2.59999990463257	30	Marine crabs	Brachyura
2.59999990463257	40	Tropical spiny lobsters	Panulirus
2.52500009536743	120	Mullets	Mugilidae
2.38000011444092	15	Starfishes	Starfish and other echinoderms
2.26999998092651	15	Clams cockles and arkshells	Clams or cockles and arkshells
2.09999990463257	8	Sea urchins	Strongylocentrotus
2	10	Sea mussels	Mytilidae
2	8	Venus clams	Veneridae
2	25	Cupped oysters	Crassostrea
2	30	Abalones	Haliotis
2	23	Stromboid conchs	Strombus
2	6	Ark clams	Arca
2	12	Pacific cupped oyster	Crassostrea gigas

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FiB index inputs
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Method

Catch reconstruction:

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