Harilik kefaal, ka meriärn (Mugil cephalus) on liik kefaalide (Mugil) perekonnast kefaallaste (Mugilidae) sugukonnast. Inglise flathead grey mullet, striped mullet (USA-s), black mullet, bully mullet, sea mullet jm; saksa Gerwöhnliche Meeräsche, Großkopfmeeräsche ,Flachkopf-Meeräsche, Harder;prantsuse mulet cabot, müsaro, testu; hispaania pardete, galupe, lisa pardete, mule, muxo; portugali cambiro, olhal, tainha; itaalia cefalo, muggine; araabia bouri, biah, gawafa jm; heebrea kifon gdol hazoch; kreeka kefalos, mpaha; pärsia kafal; türgi haskefal, topan kefal; bulgaaria morski keffal; norra multe; soome juovakeltti; vene лoбaH, чepHaя keфaлb.
Harilik kefaal elab Euroopa, Aasia, Aafrika, Austraalia ja Ameerika vetes, samuti Okeaania saarte ümbruses ning teda võib pidada üheks laiemalt levinud merekalaks üldse. Nii mere-, riim- kui ka magevees. Sugukonna suurim esindaja. Kasvab kuni 1 m pikkuseks (tavapikkus kuni 50 cm) ja 6,7 kg raskuseks. Eluiga kuni 16 a.
Keha piklik, silinderjas, kaks teineteisest kaugel paiknevat seiljauime, eesmises 4 ogakiirt. Pea lame, suu väike ja väljasopistuv. Silma katab enamasti rasvalaug, ülalõug ulatub silma alla. Rinnauimedel tume laik, nende “kaenaldes” suured soomused.
Parvekala. Toitub zooplanktonist ja detriidist. Koeb merevees.
Aastane väljapüük sellel sajandil vahemikus 85 000 kuni 165 000 tonni. Suurimaks püüdjaks on Hiina, järgnevad Korea ja Venetsueela.
Viljeldakse ka kalakasvatustes, aastane toodang üle 12 000 tonni (2014). Suurimaks .
<|begin_of_text|><|start_header_id|>system<|end_header_id|>

Cutting Knowledge Date: December 2023
Today Date: 26 Jul 2024

<|eot_id|><|start_header_id|>user<|end_header_id|>

Below is an extract from a web page. Evaluate whether the page has a high educational
value and could be useful in an educational setting for teaching from primary school to
grade school levels using the additive 5-point scoring system described below. Points are
accumulated based on the satisfaction of each criterion:
- Add 1 point if the extract provides some basic information relevant to educational top-
ics, even if it includes some irrelevant or non-academic content like advertisements and
promotional material.
- Add another point if the extract addresses certain elements pertinent to education but
does not align closely with educational standards. It might mix educational content with
non-educational material, offering a superficial overview of potentially useful topics, or
presenting information in a disorganized manner and incoherent writing style.
- Award a third point if the extract is appropriate for educational use and introduces key
concepts relevant to school curricula. It is coherent though it may not be comprehensive
or could include some extraneous information. It may resemble an introductory section of
a textbook or a basic tutorial that is suitable for learning but has notable limitations like
treating concepts that are too complex for grade school students.
- Grant a fourth point if the extract highly relevant and beneficial for educational purposes
for a level not higher than grade school, exhibiting a clear and consistent writing style. It
could be similar to a chapter from a textbook or a tutorial, offering substantial educational
content, including exercises and solutions, with minimal irrelevant information, and the
concepts aren’t too advanced for grade school students. The content is coherent, focused,
and valuable for structured learning.
- Bestow a fifth point if the extract is outstanding in its educational value, perfectly suited for
teaching either at primary school or grade school. It follows detailed reasoning, the writing
style is easy to follow and offers profound and thorough insights into the subject matter,
devoid of any non-educational or complex content.
The extract: Harilik kefaal, ka meriärn (Mugil cephalus) on liik kefaalide (Mugil) perekonnast kefaallaste (Mugilidae) sugukonnast. Inglise flathead grey mullet, striped mullet (USA-s), black mullet, bully mullet, sea mullet jm; saksa Gerwöhnliche Meeräsche, Großkopfmeeräsche ,Flachkopf-Meeräsche, Harder;prantsuse mulet cabot, müsaro, testu; hispaania pardete, galupe, lisa pardete, mule, muxo; portugali cambiro, olhal, tainha; itaalia cefalo, muggine; araabia bouri, biah, gawafa jm; heebrea kifon gdol hazoch; kreeka kefalos, mpaha; pärsia kafal; türgi haskefal, topan kefal; bulgaaria morski keffal; norra multe; soome juovakeltti; vene лoбaH, чepHaя keфaлb.
Harilik kefaal elab Euroopa, Aasia, Aafrika, Austraalia ja Ameerika vetes, samuti Okeaania saarte ümbruses ning teda võib pidada üheks laiemalt levinud merekalaks üldse. Nii mere-, riim- kui ka magevees. Sugukonna suurim esindaja. Kasvab kuni 1 m pikkuseks (tavapikkus kuni 50 cm) ja 6,7 kg raskuseks. Eluiga kuni 16 a.
Keha piklik, silinderjas, kaks teineteisest kaugel paiknevat seiljauime, eesmises 4 ogakiirt. Pea lame, suu väike ja väljasopistuv. Silma katab enamasti rasvalaug, ülalõug ulatub silma alla. Rinnauimedel tume laik, nende “kaenaldes” suured soomused.
Parvekala. Toitub zooplanktonist ja detriidist. Koeb merevees.
Aastane väljapüük sellel sajandil vahemikus 85 000 kuni 165 000 tonni. Suurimaks püüdjaks on Hiina, järgnevad Korea ja Venetsueela.
Viljeldakse ka kalakasvatustes, aastane toodang üle 12 000 tonni (2014). Suurimaks .
After examining the extract:
- Briefly justify your total score, up to 100 words.
- Conclude with the score using the format: "Educational score: <total points>"<|eot_id|>
<|start_header_id|>assistant<|end_header_id|>

The extract provides basic information about the flathead grey mullet, including its characteristics, habitat, and distribution. It also touches on its ecological role and economic importance. Although it lacks engaging educational content, exercises, or structured learning materials, the information is coherent and relevant to educational topics, particularly in biology or environmental science. 

Educational score: 3